Pith Number

pith:REOZLY6I

pith:2006:REOZLY6I2RGQ42IJYYOI7PAING

not attested not anchored not stored refs pending

Observational evidence for stellar-mass black holes

Jorge Casares

arxiv:astro-ph/0612312 v1 · 2006-12-12 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{REOZLY6I2RGQ42IJYYOI7PAING}

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	2026-05-18T01:40:28.479766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

891d95e3c8d44d0e6909c61c8fbc0869b2c81917ca0f54cc1dc77028f1398139

Aliases

arxiv: astro-ph/0612312 · arxiv_version: astro-ph/0612312v1 · doi: 10.48550/arxiv.astro-ph/0612312 · pith_short_12: REOZLY6I2RGQ · pith_short_16: REOZLY6I2RGQ42IJ · pith_short_8: REOZLY6I

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/REOZLY6I2RGQ42IJYYOI7PAING \
  | 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: 891d95e3c8d44d0e6909c61c8fbc0869b2c81917ca0f54cc1dc77028f1398139

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "053cf2ecf6978db5bc3a903b3b786c9df182f60809109dbd97df7ac071e435a4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-12-12T14:23:46Z",
    "title_canon_sha256": "0428fb19171c3c4517643b79d68a04dd6a4e4ce0e33faa9192b569595a4929db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0612312",
    "kind": "arxiv",
    "version": 1
  }
}