Pith Number

pith:TL6F3WUN

pith:2011:TL6F3WUNNMW73CHIRVNR2KBXUN

not attested not anchored not stored refs pending

The catalog of nearby black hole candidates

Laurentiu I. Caramete, Peter L. Biermann

arxiv:1107.2244 v1 · 2011-07-12 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TL6F3WUNNMW73CHIRVNR2KBXUN}

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	2026-05-18T04:18:24.983378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9afc5dda8d6b2dfd88e88d5b1d2837a3694082c355428d7d851792d1c115db37

Aliases

arxiv: 1107.2244 · arxiv_version: 1107.2244v1 · doi: 10.48550/arxiv.1107.2244 · pith_short_12: TL6F3WUNNMW7 · pith_short_16: TL6F3WUNNMW73CHI · pith_short_8: TL6F3WUN

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/TL6F3WUNNMW73CHIRVNR2KBXUN \
  | 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: 9afc5dda8d6b2dfd88e88d5b1d2837a3694082c355428d7d851792d1c115db37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "708ec72d82d8f183310ac76c0f6078e7289403ea0722840d03ad311a0569e635",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-07-12T11:06:18Z",
    "title_canon_sha256": "1c6fe5a8e631d2b63df02c69abc3acf48e0459e7ea07c72451bc94d3f4d2e2ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2244",
    "kind": "arxiv",
    "version": 1
  }
}