Pith Number

pith:N6O4Q472

pith:2017:N6O4Q472TNN5ZBPOXF45HJMFMG

not attested not anchored not stored refs pending

Homotopical Algebraic Context over Differential Operators

Damjan Pistalo, Gennaro di Brino, Norbert Poncin

arxiv:1706.05922 v1 · 2017-06-19 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N6O4Q472TNN5ZBPOXF45HJMFMG}

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	2026-05-18T00:01:39.108498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f9dc873fa9b5bdc85eeb979d3a58561830ba7d07a168c5067f44cdf7f163b79

Aliases

arxiv: 1706.05922 · arxiv_version: 1706.05922v1 · doi: 10.48550/arxiv.1706.05922 · pith_short_12: N6O4Q472TNN5 · pith_short_16: N6O4Q472TNN5ZBPO · pith_short_8: N6O4Q472

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/N6O4Q472TNN5ZBPOXF45HJMFMG \
  | 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: 6f9dc873fa9b5bdc85eeb979d3a58561830ba7d07a168c5067f44cdf7f163b79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "661f3ae6e47e7226677b38b652e0bbaa68a266ec092f143e4cca2bd80a595489",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-06-19T13:25:00Z",
    "title_canon_sha256": "95bee94181363e74599aa67b1c7929f0bc53ef08d31bd877c105cfb2742fd982"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.05922",
    "kind": "arxiv",
    "version": 1
  }
}