Pith Number

pith:737APCR4

pith:2009:737APCR4HYIYEZFENSYY2RZU5A

not attested not anchored not stored refs pending

Finite propagation speed and causal free quantum fields on networks

Robert Schrader

arxiv:0907.1522 v1 · 2009-07-09 · hep-th · 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{737APCR4HYIYEZFENSYY2RZU5A}

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	2026-05-18T04:16:32.385971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fefe078a3c3e118264a46cb18d4734e8119ea34d5538503ea155a7fa3e79c9a8

Aliases

arxiv: 0907.1522 · arxiv_version: 0907.1522v1 · doi: 10.48550/arxiv.0907.1522 · pith_short_12: 737APCR4HYIY · pith_short_16: 737APCR4HYIYEZFE · pith_short_8: 737APCR4

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/737APCR4HYIYEZFENSYY2RZU5A \
  | 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: fefe078a3c3e118264a46cb18d4734e8119ea34d5538503ea155a7fa3e79c9a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b289031e04608b9fc215402241522123c049fa391c9f12c7adca0c48494a6ce",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-07-09T12:38:47Z",
    "title_canon_sha256": "e7b55131c46577e4ba6abe0467941ffc4a98369e2eb8d6013ae60ba341203391"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1522",
    "kind": "arxiv",
    "version": 1
  }
}