Pith Number

pith:M3LZ4C7J

pith:2012:M3LZ4C7JIFI563ERGJ2PMDWF2Q

not attested not anchored not stored refs pending

The Mass of the Black Hole in XTE J1118+480

C. S. Froning, D. M. Gelino, E. L. Robinson, J. Khargharia

arxiv:1211.2786 v1 · 2012-11-12 · astro-ph.SR · 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{M3LZ4C7JIFI563ERGJ2PMDWF2Q}

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	2026-05-18T01:53:16.584332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66d79e0be94151df6c913274f60ec5d41ba046eec0fb990229700854a64d59e7

Aliases

arxiv: 1211.2786 · arxiv_version: 1211.2786v1 · doi: 10.48550/arxiv.1211.2786 · pith_short_12: M3LZ4C7JIFI5 · pith_short_16: M3LZ4C7JIFI563ER · pith_short_8: M3LZ4C7J

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/M3LZ4C7JIFI563ERGJ2PMDWF2Q \
  | 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: 66d79e0be94151df6c913274f60ec5d41ba046eec0fb990229700854a64d59e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6ae8d2437a166228c8e18e0e1251c82be20ee249114cf19ec05887d862f5a46",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-11-12T20:48:15Z",
    "title_canon_sha256": "a33199577a4287c4ba46cd5fc3e0a9eb57d499ab697c0d94ecdd7623e9074c12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2786",
    "kind": "arxiv",
    "version": 1
  }
}