Pith Number

pith:E7S6ACSP

pith:2002:E7S6ACSPQVYQVJF3IBTLEBWCYA

not attested not anchored not stored refs pending

Cohomology and deformation theory of monoidal 2-categories I

Josep Elgueta

arxiv:math/0204099 v2 · 2002-04-09 · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E7S6ACSPQVYQVJF3IBTLEBWCYA}

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	2026-05-18T03:16:06.882963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27e5e00a4f85710aa4bb4066b206c2c020e7e9e359de72198fbc89680e791b0e

Aliases

arxiv: math/0204099 · arxiv_version: math/0204099v2 · doi: 10.48550/arxiv.math/0204099 · pith_short_12: E7S6ACSPQVYQ · pith_short_16: E7S6ACSPQVYQVJF3 · pith_short_8: E7S6ACSP

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/E7S6ACSPQVYQVJF3IBTLEBWCYA \
  | 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: 27e5e00a4f85710aa4bb4066b206c2c020e7e9e359de72198fbc89680e791b0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16df65040a2212d8b2af679b82cf3f0e84019c2f6c502259e12b4ddd62ccbde4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.QA",
    "submitted_at": "2002-04-09T11:41:13Z",
    "title_canon_sha256": "5779848e5b7779e6096d0c0cc970b9d22c038b91189ec69325c5b9c346a8e6f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0204099",
    "kind": "arxiv",
    "version": 2
  }
}