Pith Number

pith:CPI5DDDG

pith:2010:CPI5DDDG7NBQB2UWZIGV4WWV7I

not attested not anchored not stored refs pending

Feynman-diagrammatic description of the asymptotics of the time evolution operator in quantum mechanics

Theo Johnson-Freyd

arxiv:1003.1156 v2 · 2010-03-04 · math-ph · hep-th · math.MP · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CPI5DDDG7NBQB2UWZIGV4WWV7I}

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	2026-05-18T04:38:17.159829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13d1d18c66fb4300ea96ca0d5e5ad5fa2f4ebc481e0694b2204b8a5903ea000e

Aliases

arxiv: 1003.1156 · arxiv_version: 1003.1156v2 · doi: 10.48550/arxiv.1003.1156 · pith_short_12: CPI5DDDG7NBQ · pith_short_16: CPI5DDDG7NBQB2UW · pith_short_8: CPI5DDDG

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/CPI5DDDG7NBQB2UWZIGV4WWV7I \
  | 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: 13d1d18c66fb4300ea96ca0d5e5ad5fa2f4ebc481e0694b2204b8a5903ea000e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d9b91ec766934daeff65684deb845fc6aae2fb87a68e4503259ebb7e36b1fab",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2010-03-04T22:41:08Z",
    "title_canon_sha256": "111be76aff3b5d4fd3f22b23b44ca65f26bc10e19c52e2be6bd736d9fe6c5b70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.1156",
    "kind": "arxiv",
    "version": 2
  }
}