Pith Number

pith:ORNMAXZD

pith:2017:ORNMAXZDRIG22VH3GMPSTXDLQK

not attested not anchored not stored refs pending

Deformation theory with homotopy algebra structures on tensor products

Daniel Robert-Nicoud

arxiv:1702.02194 v4 · 2017-02-07 · math.QA · math.AT · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ORNMAXZDRIG22VH3GMPSTXDLQK}

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	2026-05-18T00:12:11.466835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

745ac05f238a0dad54fb331f29dc6b8291c146136f75f5cb6eebc34ac38ee158

Aliases

arxiv: 1702.02194 · arxiv_version: 1702.02194v4 · doi: 10.48550/arxiv.1702.02194 · pith_short_12: ORNMAXZDRIG2 · pith_short_16: ORNMAXZDRIG22VH3 · pith_short_8: ORNMAXZD

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/ORNMAXZDRIG22VH3GMPSTXDLQK \
  | 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: 745ac05f238a0dad54fb331f29dc6b8291c146136f75f5cb6eebc34ac38ee158

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "863d45e9655ec7e07ae53e361c990681588d6c12b4e1e80c2dcd2786beff588d",
    "cross_cats_sorted": [
      "math.AT",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2017-02-07T20:59:50Z",
    "title_canon_sha256": "fd54b4c60e7a57bffb462265bc7a30209111d9639043c5d27d04ee22d2e38745"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02194",
    "kind": "arxiv",
    "version": 4
  }
}