Pith Number

pith:EUTWPC7G

pith:2021:EUTWPC7G43J5GI24KRGN4V3W4M

not attested not anchored not stored refs pending

Co-homology of Differential Forms and Feynman diagrams

Maria Conti, Sergio Luigi Cacciatori, Simone Trevisan

arxiv:2107.14721 v2 · 2021-07-30 · 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{EUTWPC7G43J5GI24KRGN4V3W4M}

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	2026-07-05T03:25:16.486502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2527678be6e6d3d3235c544cde5776e33f11862a309389e5d5d4dcafe0a9e1ec

Aliases

arxiv: 2107.14721 · arxiv_version: 2107.14721v2 · doi: 10.48550/arxiv.2107.14721 · pith_short_12: EUTWPC7G43J5 · pith_short_16: EUTWPC7G43J5GI24 · pith_short_8: EUTWPC7G

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/EUTWPC7G43J5GI24KRGN4V3W4M \
  | 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: 2527678be6e6d3d3235c544cde5776e33f11862a309389e5d5d4dcafe0a9e1ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3eae4e66dbf3dd91c260a618fc0dfabb54d839965e03225e92f5af074ab70149",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-07-30T15:52:32Z",
    "title_canon_sha256": "b19e231cfb27e6c54825b57febe040e5c8dac29b425a90b107fcace196728b5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.14721",
    "kind": "arxiv",
    "version": 2
  }
}