Pith Number

pith:4CIKZICN

pith:2012:4CIKZICNAONONFCHRFOLYU5LAO

not attested not anchored not stored refs pending

Solvable model for quantum gravity

Jack Gegenberg, Viqar Husain

arxiv:1210.7222 v2 · 2012-10-26 · gr-qc · 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{4CIKZICNAONONFCHRFOLYU5LAO}

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	2026-05-18T01:53:37.037952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e090aca04d039ae69447895cbc53ab03869dd60bd0ed537764966f9d643a92b5

Aliases

arxiv: 1210.7222 · arxiv_version: 1210.7222v2 · doi: 10.48550/arxiv.1210.7222 · pith_short_12: 4CIKZICNAONO · pith_short_16: 4CIKZICNAONONFCH · pith_short_8: 4CIKZICN

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/4CIKZICNAONONFCHRFOLYU5LAO \
  | 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: e090aca04d039ae69447895cbc53ab03869dd60bd0ed537764966f9d643a92b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50ffc04840e0418e8d826312348b2cf14ceb4193a693982d9ac579c315f1e442",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-10-26T19:23:03Z",
    "title_canon_sha256": "4b49acd1cab43da6e2d1ec20d9937c1a481a8d7e659cbb5f6637ba236ce02749"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7222",
    "kind": "arxiv",
    "version": 2
  }
}