Pith Number

pith:ADYIPOAT

pith:2010:ADYIPOATPFUZUZZ7PGEQEAGCCC

not attested not anchored not stored refs pending

Infinitesimal index: cohomology computations

Claudio Procesi, Corrado De Concini, Michele Vergne

arxiv:1005.0128 v2 · 2010-05-02 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ADYIPOATPFUZUZZ7PGEQEAGCCC}

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	2026-05-18T02:24:09.441284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00f087b81379699a673f79890200c2108a3c6ada544700032f49e470e5e6fdaf

Aliases

arxiv: 1005.0128 · arxiv_version: 1005.0128v2 · doi: 10.48550/arxiv.1005.0128 · pith_short_12: ADYIPOATPFUZ · pith_short_16: ADYIPOATPFUZUZZ7 · pith_short_8: ADYIPOAT

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/ADYIPOATPFUZUZZ7PGEQEAGCCC \
  | 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: 00f087b81379699a673f79890200c2108a3c6ada544700032f49e470e5e6fdaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99c5b06bd55f0949f88429e0476d3af3d21c4b53608b5d257e9f9b798c72336a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-05-02T08:43:05Z",
    "title_canon_sha256": "a9e63c7a8571151e489104cb22fc4da67afeee0fae0f38dad6215f29c0baae25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0128",
    "kind": "arxiv",
    "version": 2
  }
}