Pith Number

pith:GD57RNPW

pith:2013:GD57RNPWSG57P2QPCMOG2UM6ST

not attested not anchored not stored refs pending

Menus for Feeding Black Holes

Abraham Loeb, Bence Kocsis

arxiv:1310.0815 v1 · 2013-10-02 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GD57RNPWSG57P2QPCMOG2UM6ST}

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	2026-05-18T03:11:25.324143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30fbf8b5f691bbf7ea0f131c6d519e94ef081306118c95b63d069c0cd47f337f

Aliases

arxiv: 1310.0815 · arxiv_version: 1310.0815v1 · doi: 10.48550/arxiv.1310.0815 · pith_short_12: GD57RNPWSG57 · pith_short_16: GD57RNPWSG57P2QP · pith_short_8: GD57RNPW

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/GD57RNPWSG57P2QPCMOG2UM6ST \
  | 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: 30fbf8b5f691bbf7ea0f131c6d519e94ef081306118c95b63d069c0cd47f337f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "861b1646fd1ed733c57b3f80158243b679c72e9a87481535dcf2b397b4a3f73b",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-02T20:00:00Z",
    "title_canon_sha256": "3524481c359a578852fa8369ec6cb936d91f6c1e063957bdee8e01dcd94e8d43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0815",
    "kind": "arxiv",
    "version": 1
  }
}