Pith Number

pith:FON44LQ5

pith:2012:FON44LQ5XFOWUP45CFI4XYFTUB

not attested not anchored not stored refs pending

FormLink/FeynCalcFormLink : Embedding FORM in Mathematica and FeynCalc

Feng Feng, Rolf Mertig

arxiv:1212.3522 v2 · 2012-12-14 · hep-ph · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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.

Cited by

1 paper in Pith

FeynCalc 9.3: New features and improvements

Receipt and verification

First computed	2026-05-18T03:38:22.841740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b9bce2e1db95d6a3f9d1151cbe0b3a065f121cbef24315c467c1165c46f72ec

Aliases

arxiv: 1212.3522 · arxiv_version: 1212.3522v2 · doi: 10.48550/arxiv.1212.3522 · pith_short_12: FON44LQ5XFOW · pith_short_16: FON44LQ5XFOWUP45 · pith_short_8: FON44LQ5

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/FON44LQ5XFOWUP45CFI4XYFTUB \
  | 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: 2b9bce2e1db95d6a3f9d1151cbe0b3a065f121cbef24315c467c1165c46f72ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f52bb111ad51760faa3065581f6729ec82afb0d424ab489f0c2b3dd0e4899f09",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2012-12-14T16:40:14Z",
    "title_canon_sha256": "1240224a7cdada156c8ba594f0c02e53d6ddb9f95f0b008cf4b1e642f70c6524"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.3522",
    "kind": "arxiv",
    "version": 2
  }
}