Pith Number

pith:YDK72TWS

pith:2015:YDK72TWSDV5ILJDDY5SNBLF4MY

not attested not anchored not stored refs pending

Bohr-like black holes

Christian Corda

arxiv:1503.03474 v1 · 2015-03-11 · gr-qc · astro-ph.HE · quant-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{YDK72TWSDV5ILJDDY5SNBLF4MY}

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	2026-05-18T02:24:58.461509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0d5fd4ed21d7a85a463c764d0acbc6637c15c37a5b84fca4479bd2dcfe3b7c2

Aliases

arxiv: 1503.03474 · arxiv_version: 1503.03474v1 · doi: 10.48550/arxiv.1503.03474 · pith_short_12: YDK72TWSDV5I · pith_short_16: YDK72TWSDV5ILJDD · pith_short_8: YDK72TWS

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/YDK72TWSDV5ILJDDY5SNBLF4MY \
  | 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: c0d5fd4ed21d7a85a463c764d0acbc6637c15c37a5b84fca4479bd2dcfe3b7c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6e48de40583c5cec5a1f70dc292acf02f03d87ed4c2bb44d646bd5b9c38c229",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-03-11T17:43:57Z",
    "title_canon_sha256": "d8e2ada3dc6dcf3f69f86cc6867a09a550e7a609262bc784269583e837f01ca4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03474",
    "kind": "arxiv",
    "version": 1
  }
}