Pith Number

pith:7EOMYDLR

pith:2011:7EOMYDLRBOKUADGOO5UV6MCRJC

not attested not anchored not stored refs pending

Probing Loop Quantum Gravity with Evaporating Black Holes

Aurelien Barrau, Jacobo Diaz-Polo, Julien Grain, Thomas Cailleteau, Xiangyu Cao

arxiv:1109.4239 v2 · 2011-09-20 · gr-qc · astro-ph.CO · hep-ph · 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{7EOMYDLRBOKUADGOO5UV6MCRJC}

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	2026-05-18T02:00:28.872520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f91ccc0d710b95400cce77695f3051489914729c9377fe88c61006d62bd3a176

Aliases

arxiv: 1109.4239 · arxiv_version: 1109.4239v2 · doi: 10.48550/arxiv.1109.4239 · pith_short_12: 7EOMYDLRBOKU · pith_short_16: 7EOMYDLRBOKUADGO · pith_short_8: 7EOMYDLR

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/7EOMYDLRBOKUADGOO5UV6MCRJC \
  | 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: f91ccc0d710b95400cce77695f3051489914729c9377fe88c61006d62bd3a176

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dcec238b721bfadcaad2ed5cf1695245902e626f8197d2998f6f2eb9401d0b8",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-09-20T08:50:24Z",
    "title_canon_sha256": "b0627da28a18092b02353ec02ba49e980ab986c1659a6133fe341f8dc44e1715"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4239",
    "kind": "arxiv",
    "version": 2
  }
}