Pith Number

pith:2UIOSWR3

pith:2018:2UIOSWR3A7WWJSTTIRZ6BGW4HL

not attested not anchored not stored refs pending

Gaia Data Release 2: The Celestial reference frame (Gaia-CRF2)

A. Bombrun, F. Mignard, J. Hernandez, L. Lindegren, S. Klioner, U. Bastian

arxiv:1804.09377 v1 · 2018-04-25 · astro-ph.GA · 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{2UIOSWR3A7WWJSTTIRZ6BGW4HL}

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.

Cited by

1 paper in Pith

Gaia parallax bias via spherical harmonics: A Python tool and discussion of possible causes

Receipt and verification

First computed	2026-07-05T00:16:57.501613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d510e95a3b07ed64ca734473e09adc3ad238963ef453697d3931ca4f12189c88

Aliases

arxiv: 1804.09377 · arxiv_version: 1804.09377v1 · doi: 10.48550/arxiv.1804.09377 · pith_short_12: 2UIOSWR3A7WW · pith_short_16: 2UIOSWR3A7WWJSTT · pith_short_8: 2UIOSWR3

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/2UIOSWR3A7WWJSTTIRZ6BGW4HL \
  | 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: d510e95a3b07ed64ca734473e09adc3ad238963ef453697d3931ca4f12189c88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93bbf3aec9ff124ca1ded2e7328fa443b39af5bfd20e83def609cb98626fc71a",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-25T06:25:27Z",
    "title_canon_sha256": "af1e0190b95fab9476842b3cfae12138da2b1d4aa6f54b2d3abb118514ee0310"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09377",
    "kind": "arxiv",
    "version": 1
  }
}