Pith Number

pith:YVFHYYIN

pith:2014:YVFHYYINYLT7R5LXETSASKGR3R

not attested not anchored not stored refs pending

Gemini Planet imager Observational Calibrations X: Non-Redundant Masking on GPI

Alexandra Z. Greenbaum, Anand Sivaramakrishnan, Andrew Cardwell, Andrew Serio, Anthony Cheetham, Barnaby Norris, Bruce Macintosh, Dmitry Savransky, Fredrik Rantakyr\"o, Laurent Pueyo, Lisa Poyneer, Markus Hartung, Marshall D. Perrin, Naru Sadakuni, Pascale Hibon, Patrick Ingraham, Peter Tuthill, Sandrine Thomas, Schuyler Wolff, Stephen Goodsell, with the GPI team

arxiv:1407.2310 v1 · 2014-07-09 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YVFHYYINYLT7R5LXETSASKGR3R}

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	2026-05-18T01:42:40.515245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c54a7c610dc2e7f8f57724e40928d1dc5cd3a919a85acb148caf961c9a38e6fa

Aliases

arxiv: 1407.2310 · arxiv_version: 1407.2310v1 · doi: 10.48550/arxiv.1407.2310 · pith_short_12: YVFHYYINYLT7 · pith_short_16: YVFHYYINYLT7R5LX · pith_short_8: YVFHYYIN

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/YVFHYYINYLT7R5LXETSASKGR3R \
  | 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: c54a7c610dc2e7f8f57724e40928d1dc5cd3a919a85acb148caf961c9a38e6fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b477a8fd5b22cf3468e3a4ad21b26180549f8c1b87ddab82c2ffe660d8fdaa70",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-07-09T00:02:28Z",
    "title_canon_sha256": "67b7e41e895fef047790028453c2f8fbcf0359b80bb5b1fddfc7b3b488e34288"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2310",
    "kind": "arxiv",
    "version": 1
  }
}