Pith Number

pith:MA2HIYKA

pith:2015:MA2HIYKADPPWO6XMFY5V75HCCG

not attested not anchored not stored refs pending

Categorical generalization of spinfoam models

Aleksandar Mikovic, Marko Vojinovic

arxiv:1512.06252 v1 · 2015-12-19 · 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{MA2HIYKADPPWO6XMFY5V75HCCG}

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	2026-05-18T01:24:01.021146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60347461401bdf677aec2e3b5ff4e211b5aec5b97a5caaf44e93d2e2f387bb21

Aliases

arxiv: 1512.06252 · arxiv_version: 1512.06252v1 · doi: 10.48550/arxiv.1512.06252 · pith_short_12: MA2HIYKADPPW · pith_short_16: MA2HIYKADPPWO6XM · pith_short_8: MA2HIYKA

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/MA2HIYKADPPWO6XMFY5V75HCCG \
  | 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: 60347461401bdf677aec2e3b5ff4e211b5aec5b97a5caaf44e93d2e2f387bb21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "608b32e005fb3dc313363eb2e4056747b0b1df673257700572ea2dc0e8427e18",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-12-19T14:06:24Z",
    "title_canon_sha256": "c4554296778079489bfdcd3b4ac6c79502076afe7705438a133e550299222faf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.06252",
    "kind": "arxiv",
    "version": 1
  }
}