Pith Number

pith:2NCMTBUS

pith:2023:2NCMTBUSJGYHLMYIKMQLUZJ74V

not attested not anchored not stored refs pending

Constraining the binarity of black hole candidates: a proof-of-concept study of Gaia BH1 and Gaia BH2

Alessandro A. Trani, Toshinori Hayashi, Yasushi Suto

arxiv:2307.01793 v4 · 2023-07-04 · astro-ph.HE · astro-ph.SR · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2NCMTBUSJGYHLMYIKMQLUZJ74V}

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	2026-07-05T06:45:37.307440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d344c9869249b075b3085320ba653fe55ce1e628a39e1852294cbbe5c39a408e

Aliases

arxiv: 2307.01793 · arxiv_version: 2307.01793v4 · doi: 10.48550/arxiv.2307.01793 · pith_short_12: 2NCMTBUSJGYH · pith_short_16: 2NCMTBUSJGYHLMYI · pith_short_8: 2NCMTBUS

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/2NCMTBUSJGYHLMYIKMQLUZJ74V \
  | 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: d344c9869249b075b3085320ba653fe55ce1e628a39e1852294cbbe5c39a408e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54ee856af693b6c2ad305f068ef282ec65323f10ee91ec55eb847f2c0353aab6",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-07-04T16:03:25Z",
    "title_canon_sha256": "b19e86d30738e305380bd3735995070bc5d34cad3f5d578ca88f1b08976d1691"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.01793",
    "kind": "arxiv",
    "version": 4
  }
}