Pith Number

pith:JXZ7WWGM

pith:2017:JXZ7WWGMANPCU5TATK7F56CXVN

not attested not anchored not stored refs pending

ProtoDESI: First On-Sky Technology Demonstration for the Dark Energy Spectroscopic Instrument

Amy Robertson, Ann Elliott, Anthony Paat, Arjun Dey, Behzad Abareshi, Benjamin A. Weaver, Charles Baltay, Christian Soto, Christopher Manser, Connie Rockosi, David Rabinowitz, David Schlegel, David Sprayberry, David Summers, Elizabeth Buckley-Geer, Greg Tarle, Irena Gershkovich, Jorge Jimenez, Jose M. Illa, Joseph Silber, Karen Butler, Kevin Reil, Klaus Honscheid, Laia Cardiel, Lori Allen, Michael Levi, Michael Schubnell, Otger Ballester, Parker Fagrelius, Paul Martini, Robert Besuner, Robert Marshall, Ronald Probst, Santiago Serrano, William Emmet, Y. T. Duan

arxiv:1710.08875 v2 · 2017-10-24 · 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{JXZ7WWGMANPCU5TATK7F56CXVN}

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	2026-05-18T00:16:56.130303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4df3fb58cc035e2a76609abe5ef857ab5cd03229047d4ba8f66cb97e2d16617f

Aliases

arxiv: 1710.08875 · arxiv_version: 1710.08875v2 · doi: 10.48550/arxiv.1710.08875 · pith_short_12: JXZ7WWGMANPC · pith_short_16: JXZ7WWGMANPCU5TA · pith_short_8: JXZ7WWGM

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/JXZ7WWGMANPCU5TATK7F56CXVN \
  | 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: 4df3fb58cc035e2a76609abe5ef857ab5cd03229047d4ba8f66cb97e2d16617f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5954e5654749989ff98d9891d1e463d1fd5db958e99a88313202f226fe781eb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-10-24T16:33:34Z",
    "title_canon_sha256": "5cb7c510a713d046019a12682b2548a7bb95ae4648cc2e963612ab9b663a86de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08875",
    "kind": "arxiv",
    "version": 2
  }
}