Pith Number

pith:OB2AITXW

pith:2019:OB2AITXWUJRIYNQ2ZS4ZPKWBY6

not attested not anchored not stored refs pending

Research and Development for HI Intensity Mapping

Aaron Ewall-Wice, Adam Beardsley, Adrian Liu, Albert Stebbins, Alexander A. Kaurov, Alexander van Engelen, Andrei Nomerotski, Andrej Obuljen, An\v{z}e Slosar, Benjamin Saliwanchik, Chris Sheehy, Dallas Wulf, Daniel Green, Daniel Jacobs, David Alonso, David Parkinson, David Rapetti, Dionysios Karagiannis, Emanuele Castorina, Emily Kuhn, Erin Sheldon, Evan J. Arena, Eva Silverstein, Francisco Villaescusa-Navarro, Gilbert Holder, Gregory S. Tucker, Hamsa Padmanabhan, Josef Frisch, Joshua S. Dillon, J. Richard Shaw, Kavilan Moodley, Kevin Bandura, Kiyoshi W. Masui, Laura B. Newburgh, Lloyd Knox, Moritz M\"unchmeyer, Mustafa A. Amin, Neelima Sehgal, Olivier Perdereau, Paul O'Connor, Paul Stankus, Peter Timbie, Philip Bull, Raphael Shirley, R\'eza Ansari, Romeel Dav\'e, Simone Ferraro, Simon Foreman, Thomas McClintock, Tracy Slatyer, Tzu-Ching Chang, William Tyndall, Yin-Zhe Ma, Zeeshan Ahmed

arxiv:1907.13090 v1 · 2019-07-29 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OB2AITXWUJRIYNQ2ZS4ZPKWBY6}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T23:50:28.244605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7074044ef6a2628c361accb997aac1c7a66c3b046d824a27bb555a0ce5bb0906

Aliases

arxiv: 1907.13090 · arxiv_version: 1907.13090v1 · doi: 10.48550/arxiv.1907.13090 · pith_short_12: OB2AITXWUJRI · pith_short_16: OB2AITXWUJRIYNQ2 · pith_short_8: OB2AITXW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/OB2AITXWUJRIYNQ2ZS4ZPKWBY6 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7074044ef6a2628c361accb997aac1c7a66c3b046d824a27bb555a0ce5bb0906

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0582c39eea15b80af52e1bb0393fe2659b6ae00f91e9c4465414a6735d3ce71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-07-29T16:42:21Z",
    "title_canon_sha256": "15b7e15df73d4d09563aca0cc8194d08cbadc4960dd5fb4aba040ad0864436d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.13090",
    "kind": "arxiv",
    "version": 1
  }
}