Pith Number

pith:A4JHLSXM

pith:2009:A4JHLSXMOZOUGG7WTATNY6DSY5

not attested not anchored not stored refs pending

The quadratic Fock functor

Ameur Dhahri (CEREMADE), Luigi Accardi

arxiv:0910.2454 v2 · 2009-10-13 · math.FA · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A4JHLSXMOZOUGG7WTATNY6DSY5}

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	2026-05-18T03:06:22.877208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

071275caec765d431bf69826dc7872c75cd004171c33f5273c898d2faef95bfb

Aliases

arxiv: 0910.2454 · arxiv_version: 0910.2454v2 · doi: 10.48550/arxiv.0910.2454 · pith_short_12: A4JHLSXMOZOU · pith_short_16: A4JHLSXMOZOUGG7W · pith_short_8: A4JHLSXM

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/A4JHLSXMOZOUGG7WTATNY6DSY5 \
  | 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: 071275caec765d431bf69826dc7872c75cd004171c33f5273c898d2faef95bfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "826e4d1c8f5ae5845f02e872ba13b39fc4fa892c2544a3800e2d2678d9b60c94",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2009-10-13T18:54:22Z",
    "title_canon_sha256": "7c3801b6edf017d39b2629b3673d194c299116bc186522ba4dbd02a1249c0cb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2454",
    "kind": "arxiv",
    "version": 2
  }
}