Pith Number

pith:AGGC4RMP

pith:2013:AGGC4RMP2MB2RWHFKEK5HK2BRM

not attested not anchored not stored refs pending

Extremal Black Holes and First Law of Thermodynamics

Hossein Yavartanoo, Joan Simon, Maria Johnstone, M.M. Sheikh-Jabbari

arxiv:1305.3157 v1 · 2013-05-14 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AGGC4RMP2MB2RWHFKEK5HK2BRM}

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	2026-05-18T03:05:44.513236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

018c2e458fd303a8d8e55115d3ab418b2147eccdbca7c5f8fc3828e08b0f05de

Aliases

arxiv: 1305.3157 · arxiv_version: 1305.3157v1 · doi: 10.48550/arxiv.1305.3157 · pith_short_12: AGGC4RMP2MB2 · pith_short_16: AGGC4RMP2MB2RWHF · pith_short_8: AGGC4RMP

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/AGGC4RMP2MB2RWHFKEK5HK2BRM \
  | 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: 018c2e458fd303a8d8e55115d3ab418b2147eccdbca7c5f8fc3828e08b0f05de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1f318c61d6d5df748a55614bda72a663df1bbd6e171f5904a9ca64bc2c2c8e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-05-14T13:52:27Z",
    "title_canon_sha256": "d97a2b022ab22a83dec77f0586c1639b91aaee9423fa7db88c8fe8792a8b77ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3157",
    "kind": "arxiv",
    "version": 1
  }
}