Pith Number

pith:HJSLZBJO

pith:2015:HJSLZBJOBOE6WGOW6BJJVX2QAH

not attested not anchored not stored refs pending

Feynman Amplitudes in Mathematics and Physics

Spencer Bloch

arxiv:1509.00361 v1 · 2015-09-01 · math.AG · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJSLZBJOBOE6WGOW6BJJVX2QAH}

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	2026-05-18T01:34:14.312804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a64bc852e0b89eb19d6f0529adf5001c6cac9ee540156831df5fda713458eff

Aliases

arxiv: 1509.00361 · arxiv_version: 1509.00361v1 · doi: 10.48550/arxiv.1509.00361 · pith_short_12: HJSLZBJOBOE6 · pith_short_16: HJSLZBJOBOE6WGOW · pith_short_8: HJSLZBJO

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/HJSLZBJOBOE6WGOW6BJJVX2QAH \
  | 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: 3a64bc852e0b89eb19d6f0529adf5001c6cac9ee540156831df5fda713458eff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bf15977f7b73d22bb0ab3fab7e388a6e13fc7a3546d15562bbb6369d31bdf94",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-09-01T15:45:36Z",
    "title_canon_sha256": "ce3ca295c5e7ce2574630ded2b0b3abd370d92a658fd918871f29ff346f60908"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00361",
    "kind": "arxiv",
    "version": 1
  }
}