Pith Number

pith:VA7VCMC4

pith:2012:VA7VCMC4BYQQSNETFRTZNP6YYG

not attested not anchored not stored refs pending

Holonomy-flux spinfoam amplitude

Claudio Perini

arxiv:1211.4807 v1 · 2012-11-20 · 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{VA7VCMC4BYQQSNETFRTZNP6YYG}

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	2026-05-18T03:40:16.793677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a83f51305c0e210934932c6796bfd8c1a3ed8faafaf7c8ccacf9f67230157ddc

Aliases

arxiv: 1211.4807 · arxiv_version: 1211.4807v1 · doi: 10.48550/arxiv.1211.4807 · pith_short_12: VA7VCMC4BYQQ · pith_short_16: VA7VCMC4BYQQSNET · pith_short_8: VA7VCMC4

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/VA7VCMC4BYQQSNETFRTZNP6YYG \
  | 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: a83f51305c0e210934932c6796bfd8c1a3ed8faafaf7c8ccacf9f67230157ddc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7f42083a15e3b9de00dab92f62ec5132b7da4c5d2d5885e44e77d6d578e5e4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-11-20T17:22:01Z",
    "title_canon_sha256": "c53d68a27d776c3c48c519c738fed8b44ff2807a44575485d456fb4a62965e0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4807",
    "kind": "arxiv",
    "version": 1
  }
}