Pith Number

pith:A7NRWE63

pith:2016:A7NRWE63RBCNXKWM6D7O2GTUTN

not attested not anchored not stored refs pending

Conserved charges, surface degrees of freedom, and black hole entropy

Ali Seraj

arxiv:1603.02442 v1 · 2016-03-08 · hep-th · 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{A7NRWE63RBCNXKWM6D7O2GTUTN}

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	2026-05-18T01:19:23.306464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07db1b13db8844dbaaccf0feed1a749b445554ee8b05e1b5759873ffac968996

Aliases

arxiv: 1603.02442 · arxiv_version: 1603.02442v1 · doi: 10.48550/arxiv.1603.02442 · pith_short_12: A7NRWE63RBCN · pith_short_16: A7NRWE63RBCNXKWM · pith_short_8: A7NRWE63

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/A7NRWE63RBCNXKWM6D7O2GTUTN \
  | 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: 07db1b13db8844dbaaccf0feed1a749b445554ee8b05e1b5759873ffac968996

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a94ca4607363a23007fa99b223150833eedcde363c816b793ed893ab4158ca0b",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-03-08T09:45:35Z",
    "title_canon_sha256": "a7b0d25db191879641515f74fd0abc54f7eba45950bbb7f7a4ad8b24f6515159"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02442",
    "kind": "arxiv",
    "version": 1
  }
}