Pith Number

pith:UAWGYBP7

pith:2011:UAWGYBP7XAHUP66QIUP4NGCO5X

not attested not anchored not stored refs pending

Hipparcos: a Retrospective

Michael Perryman

arxiv:1109.6769 v1 · 2011-09-30 · 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{UAWGYBP7XAHUP66QIUP4NGCO5X}

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	2026-05-18T02:00:21.100078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a02c6c05ffb80f47fbd0451fc6984eedf4dbc624c5d459d1faded7c3e44d2f76

Aliases

arxiv: 1109.6769 · arxiv_version: 1109.6769v1 · doi: 10.48550/arxiv.1109.6769 · pith_short_12: UAWGYBP7XAHU · pith_short_16: UAWGYBP7XAHUP66Q · pith_short_8: UAWGYBP7

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/UAWGYBP7XAHUP66QIUP4NGCO5X \
  | 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: a02c6c05ffb80f47fbd0451fc6984eedf4dbc624c5d459d1faded7c3e44d2f76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1333f7ed7d7cadc70927d12ee923b8d66558bb8a3feab47984785c4996d2e801",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-09-30T09:38:36Z",
    "title_canon_sha256": "57f17c3ee5f49870297ef7410c234151d9f433776d749ef8fa8701264e1ab751"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6769",
    "kind": "arxiv",
    "version": 1
  }
}