Pith Number

pith:O5PWZA3Z

pith:2012:O5PWZA3ZAAP3VOPT72BM335NXI

not attested not anchored not stored refs pending

The Microcanonical Entropy of Quantum Isolated Horizon, `quantum hair' $N$ and the Barbero-Immirzi parameter fixation

Abhishek Majhi

arxiv:1205.3487 v3 · 2012-05-15 · 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{O5PWZA3ZAAP3VOPT72BM335NXI}

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	2026-05-18T02:54:38.056296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

775f6c8379001fbab9f3fe82cdefadba2bbb5c14d0ba933cc0c06e70b0d0f007

Aliases

arxiv: 1205.3487 · arxiv_version: 1205.3487v3 · doi: 10.48550/arxiv.1205.3487 · pith_short_12: O5PWZA3ZAAP3 · pith_short_16: O5PWZA3ZAAP3VOPT · pith_short_8: O5PWZA3Z

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/O5PWZA3ZAAP3VOPT72BM335NXI \
  | 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: 775f6c8379001fbab9f3fe82cdefadba2bbb5c14d0ba933cc0c06e70b0d0f007

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b43fdfc08a07446e835f44156d5e3792d88af44ab35c709ba6155d08a6711ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-05-15T19:55:40Z",
    "title_canon_sha256": "e350297785203cb942caa3b933b2073b7f0c646b5fc048a079331ff716718681"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3487",
    "kind": "arxiv",
    "version": 3
  }
}