Pith Number

pith:P5GMTPUC

pith:2018:P5GMTPUC4P7E6G773ZRRYVCDGD

not attested not anchored not stored refs pending

The properties of the quasars astrometric solution in Gaia DR2

Beatric Bucciarelli, Shilong Liao, Sufen Guo, Zhaoxiang Qi, Zhenghong Tang, Zihuang Cao

arxiv:1805.02194 v3 · 2018-05-06 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P5GMTPUC4P7E6G773ZRRYVCDGD}

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	2026-05-18T00:02:25.167013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f4cc9be82e3fe4f1bffde631c544330deb9b5ea8aafe264eaa7b373622a1dfe

Aliases

arxiv: 1805.02194 · arxiv_version: 1805.02194v3 · doi: 10.48550/arxiv.1805.02194 · pith_short_12: P5GMTPUC4P7E · pith_short_16: P5GMTPUC4P7E6G77 · pith_short_8: P5GMTPUC

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/P5GMTPUC4P7E6G773ZRRYVCDGD \
  | 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: 7f4cc9be82e3fe4f1bffde631c544330deb9b5ea8aafe264eaa7b373622a1dfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d7d765b2a74a3972ae8b11efa2c6bc8f6d076a1ee257e267b29042328bb4c0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-06T11:54:46Z",
    "title_canon_sha256": "b9658fbb4a4c69b9331b3c8146a947cf2bca93c03e3d8dd4b6f12b0bf5ae13c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02194",
    "kind": "arxiv",
    "version": 3
  }
}