Pith Number

pith:XDY6PT6E

pith:2009:XDY6PT6EBAGA44JUY3FBUH3YXW

not attested not anchored not stored refs pending

Parametric Feynman integrals and determinant hypersurfaces

Matilde Marcolli (Caltech), Paolo Aluffi (FSU)

arxiv:0901.2107 v1 · 2009-01-14 · math.AG · 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{XDY6PT6EBAGA44JUY3FBUH3YXW}

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	2026-05-18T03:58:14.347485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8f1e7cfc4080c0e7134c6ca1a1f78bd869cbae7d9d2b89ff6e3d49cec7d51a3

Aliases

arxiv: 0901.2107 · arxiv_version: 0901.2107v1 · doi: 10.48550/arxiv.0901.2107 · pith_short_12: XDY6PT6EBAGA · pith_short_16: XDY6PT6EBAGA44JU · pith_short_8: XDY6PT6E

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/XDY6PT6EBAGA44JUY3FBUH3YXW \
  | 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: b8f1e7cfc4080c0e7134c6ca1a1f78bd869cbae7d9d2b89ff6e3d49cec7d51a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c399b7ba2ae8bed28c8c7de51bdd611b2c07abc16d88cadf7328b769d773f9b",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2009-01-14T20:39:23Z",
    "title_canon_sha256": "67d5f8763bffa0d8804dbc3923c4267d8983fed39770ec0df324454cbe610795"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2107",
    "kind": "arxiv",
    "version": 1
  }
}