Pith Number

pith:ZEW5CG6R

pith:2014:ZEW5CG6RN2MCV77KQUJS5CYGNY

not attested not anchored not stored refs pending

Philosophical Issues of Black Holes

Gustavo E. Romero

arxiv:1409.3318 v1 · 2014-09-11 · physics.hist-ph · astro-ph.CO · 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{ZEW5CG6RN2MCV77KQUJS5CYGNY}

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	2026-05-18T02:43:01.642988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c92dd11bd16e982affea85132e8b066e0c7b1f79968c4b037e36364ff01305ab

Aliases

arxiv: 1409.3318 · arxiv_version: 1409.3318v1 · doi: 10.48550/arxiv.1409.3318 · pith_short_12: ZEW5CG6RN2MC · pith_short_16: ZEW5CG6RN2MCV77K · pith_short_8: ZEW5CG6R

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/ZEW5CG6RN2MCV77KQUJS5CYGNY \
  | 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: c92dd11bd16e982affea85132e8b066e0c7b1f79968c4b037e36364ff01305ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c586c32153f4a82b53e82bec5ed3145f07027757650ec4e2d2518ec9d500f56",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2014-09-11T03:48:19Z",
    "title_canon_sha256": "5a6283a893ed71edd6b3398d3e1172157b4bc55c469c8afd8c6021bfea751b1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.3318",
    "kind": "arxiv",
    "version": 1
  }
}