Pith Number

pith:BOPOJBSY

pith:2018:BOPOJBSYVILRBQLLVIJBL2VMKV

not attested not anchored not stored refs pending

Gaia Data Release 2: Observations of solar system objects

A. Cellino, B. Carry, et al, F. Mignard, Gaia Collaboration: F. Spoto, J. Berthier, P. Tanga

arxiv:1804.09379 v1 · 2018-04-25 · astro-ph.EP · 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{BOPOJBSYVILRBQLLVIJBL2VMKV}

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	2026-05-18T00:08:07.342265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b9ee48658aa1710c16baa1215eaac555d7aeadf06c2c79f3e42c1577e76c77c

Aliases

arxiv: 1804.09379 · arxiv_version: 1804.09379v1 · doi: 10.48550/arxiv.1804.09379 · pith_short_12: BOPOJBSYVILR · pith_short_16: BOPOJBSYVILRBQLL · pith_short_8: BOPOJBSY

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/BOPOJBSYVILRBQLLVIJBL2VMKV \
  | 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: 0b9ee48658aa1710c16baa1215eaac555d7aeadf06c2c79f3e42c1577e76c77c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10ce81b78f3ee875a34090ead7ca9860ac11ee499836520194d77b431b8436ef",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-04-25T06:25:29Z",
    "title_canon_sha256": "3818e2f92c3144c1c1c4d375ff773d88f03183ca558bb9aff6f045d9060397ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09379",
    "kind": "arxiv",
    "version": 1
  }
}