Pith Number

pith:7TJSS56I

pith:2011:7TJSS56I3LDZMRF3GNB2COOU4R

not attested not anchored not stored refs pending

The astrometric core solution for the Gaia mission. Overview of models, algorithms and software implementation

(2) ESAC, (3) ARI, David Hobbs (1), Germany), Heidelberg, Jos\'e Hern\'andez (2) ((1) Lund Observatory, Lennart Lindegren (1), Madrid, Spain, Sweden, Ulrich Bastian (3), Uwe Lammers (2), William O'Mullane (2)

arxiv:1112.4139 v1 · 2011-12-18 · 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{7TJSS56I3LDZMRF3GNB2COOU4R}

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

Astronomical distance scales in the Gaia era

Receipt and verification

First computed	2026-05-18T04:06:06.957842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcd32977c8dac79644bb3343a139d4e4591393040affd8bcc07ddcdeaf060ad3

Aliases

arxiv: 1112.4139 · arxiv_version: 1112.4139v1 · doi: 10.48550/arxiv.1112.4139 · pith_short_12: 7TJSS56I3LDZ · pith_short_16: 7TJSS56I3LDZMRF3 · pith_short_8: 7TJSS56I

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/7TJSS56I3LDZMRF3GNB2COOU4R \
  | 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: fcd32977c8dac79644bb3343a139d4e4591393040affd8bcc07ddcdeaf060ad3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50ee44836c3bee3b561c7c94e515966dbd05538d88c5ec8184927b0e8067c2aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-12-18T09:37:54Z",
    "title_canon_sha256": "cb6c6ec065a1371ee86b8fb6c1d8e026b1f243df2939fcfeadf62cb424d456d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4139",
    "kind": "arxiv",
    "version": 1
  }
}