Pith Number

pith:ENOLU2Q3

pith:2015:ENOLU2Q3Z7HME2AYZMON5BWFHU

not attested not anchored not stored refs pending

Report of the IAU Commission 4 Working Group on Standardizing Access to Ephemerides and File Format Specification

Agnes Fienga, Charles Acton, Dmitry Pavlov, Elena V. Pitjeva, James L. Hilton, Jean-Eudes Arlot, Mickael Gastineau, Nicole Capitaine, Patrick Wallace, Steven A. Bell, Vladimir I. Skripnichenko, William M. Folkner

arxiv:1507.04291 v1 · 2015-07-15 · 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{ENOLU2Q3Z7HME2AYZMON5BWFHU}

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	2026-05-18T01:36:48.728433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

235cba6a1bcfcec26818cb1cde86c53d2c4948121ea697b9e064c8ce0e80f582

Aliases

arxiv: 1507.04291 · arxiv_version: 1507.04291v1 · doi: 10.48550/arxiv.1507.04291 · pith_short_12: ENOLU2Q3Z7HM · pith_short_16: ENOLU2Q3Z7HME2AY · pith_short_8: ENOLU2Q3

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/ENOLU2Q3Z7HME2AYZMON5BWFHU \
  | 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: 235cba6a1bcfcec26818cb1cde86c53d2c4948121ea697b9e064c8ce0e80f582

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64e2fdee4be11a905aa8a87d35d2e5b548882f7447c52cb3d64cdbfc04cff80c",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-07-15T16:43:21Z",
    "title_canon_sha256": "1d6de7502622318b2deb87c69f9617b4d6a00c647738155cd048fd68980e6cca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04291",
    "kind": "arxiv",
    "version": 1
  }
}