Pith Number

pith:LN3D4CTS

pith:2014:LN3D4CTSAE6CMYRBW5TE5WVE6F

not attested not anchored not stored refs pending

E_n-cohomology with coefficients as functor cohomology

Stephanie Ziegenhagen

arxiv:1412.6031 v2 · 2014-12-18 · math.AT · 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{LN3D4CTSAE6CMYRBW5TE5WVE6F}

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	2026-05-18T00:58:49.133836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b763e0a72013c266221b7664edaa4f14787411615a520428208f5b704dc6d0b

Aliases

arxiv: 1412.6031 · arxiv_version: 1412.6031v2 · doi: 10.48550/arxiv.1412.6031 · pith_short_12: LN3D4CTSAE6C · pith_short_16: LN3D4CTSAE6CMYRB · pith_short_8: LN3D4CTS

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/LN3D4CTSAE6CMYRBW5TE5WVE6F \
  | 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: 5b763e0a72013c266221b7664edaa4f14787411615a520428208f5b704dc6d0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2db8c5b47a5cd925b94af2f7b5540757ab88bc5da5eda45ab2e49524846715c8",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-12-18T19:51:32Z",
    "title_canon_sha256": "c1f33a6d88b2257482d4d7f61213dbc62545ba7641132fcb040ffd565518607c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.6031",
    "kind": "arxiv",
    "version": 2
  }
}