Pith Number

pith:FYWRX7VT

pith:2014:FYWRX7VTXBW5RG5PFQKVSQJEL4

not attested not anchored not stored refs pending

Cohomology of deformations

Piotr W. Nowak, Uri Bader

arxiv:1401.5362 v3 · 2014-01-21 · math.GR · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FYWRX7VTXBW5RG5PFQKVSQJEL4}

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	2026-05-18T02:43:52.242514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e2d1bfeb3b86dd89baf2c155941245f1832f366a676bbe9d0fa43797d20c1fc

Aliases

arxiv: 1401.5362 · arxiv_version: 1401.5362v3 · doi: 10.48550/arxiv.1401.5362 · pith_short_12: FYWRX7VTXBW5 · pith_short_16: FYWRX7VTXBW5RG5P · pith_short_8: FYWRX7VT

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/FYWRX7VTXBW5RG5PFQKVSQJEL4 \
  | 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: 2e2d1bfeb3b86dd89baf2c155941245f1832f366a676bbe9d0fa43797d20c1fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "999070802f2695185c5ce9b1f7db0bfc12124ee7b5d1a6f453434cc828ba3128",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-01-21T16:06:20Z",
    "title_canon_sha256": "9542709dd880b83a1a88850c3cb63ab3540d6682a19462a446a5d8de3f93e254"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5362",
    "kind": "arxiv",
    "version": 3
  }
}