Pith Number

pith:FNVMCGZW

pith:2014:FNVMCGZWVO6KW5CDAUWAUM3AEW

not attested not anchored not stored refs pending

Relative (generalized) differential cohomology

Fabio Ferrari Ruffino

arxiv:1401.1029 v2 · 2014-01-06 · math.AT · math.DG · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FNVMCGZWVO6KW5CDAUWAUM3AEW}

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	2026-05-18T01:12:18.867555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b6ac11b36abbcab7443052c0a336025854fa7e8cea8a16f6d978fbfd1a34602

Aliases

arxiv: 1401.1029 · arxiv_version: 1401.1029v2 · doi: 10.48550/arxiv.1401.1029 · pith_short_12: FNVMCGZWVO6K · pith_short_16: FNVMCGZWVO6KW5CD · pith_short_8: FNVMCGZW

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/FNVMCGZWVO6KW5CDAUWAUM3AEW \
  | 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: 2b6ac11b36abbcab7443052c0a336025854fa7e8cea8a16f6d978fbfd1a34602

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49b513d6a99dac111ea6d6afbb0eeabe62743ba0b7262a6f69519d9e9e70dd8f",
    "cross_cats_sorted": [
      "math.DG",
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-01-06T10:13:30Z",
    "title_canon_sha256": "4cbafcb1fd1dbbe0773e7a8593814d18073ba784378b82840eaa075a020531c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1029",
    "kind": "arxiv",
    "version": 2
  }
}