Pith Number

pith:YPOXQW6J

pith:2025:YPOXQW6JSUCURTDSC3LA6L266S

not attested not anchored not stored refs pending

Obstruction theory for $A$-infinity bimodules

Fernando Muro, Gustavo Jasso

arxiv:2507.17568 v1 · 2025-07-23 · math.AT · math.KT · math.QA · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YPOXQW6JSUCURTDSC3LA6L266S}

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	2026-07-05T11:42:10.175991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3dd785bc9950548cc7216d60f2f5ef48d06715e5612b196ae4220745970f68c

Aliases

arxiv: 2507.17568 · arxiv_version: 2507.17568v1 · doi: 10.48550/arxiv.2507.17568 · pith_short_12: YPOXQW6JSUCU · pith_short_16: YPOXQW6JSUCURTDS · pith_short_8: YPOXQW6J

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/YPOXQW6JSUCURTDSC3LA6L266S \
  | 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: c3dd785bc9950548cc7216d60f2f5ef48d06715e5612b196ae4220745970f68c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa353c5e2d35c32b2b750dcbeae446b90ec8daa8fbdf66f9269eddf6916ed221",
    "cross_cats_sorted": [
      "math.KT",
      "math.QA",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2025-07-23T14:58:33Z",
    "title_canon_sha256": "24b673d3f4ccc9914189556f4358025dcbef813646edbee17cfe0528a0625097"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.17568",
    "kind": "arxiv",
    "version": 1
  }
}