Pith Number

pith:5WEVJABI

pith:2018:5WEVJABIRY5LKD27F4FDKYHKTW

not attested not anchored not stored refs pending

Cohomology of coinvariant differential forms

Abdelhak Abouqateb, Mehdi Nabil, Mohamed Boucetta

arxiv:1804.11292 v1 · 2018-04-30 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5WEVJABIRY5LKD27F4FDKYHKTW}

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	2026-05-18T00:17:14.051044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed895480288e3ab50f5f2f0a3560ea9db6811af3848aa9d4654e367a08e461d4

Aliases

arxiv: 1804.11292 · arxiv_version: 1804.11292v1 · doi: 10.48550/arxiv.1804.11292 · pith_short_12: 5WEVJABIRY5L · pith_short_16: 5WEVJABIRY5LKD27 · pith_short_8: 5WEVJABI

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/5WEVJABIRY5LKD27F4FDKYHKTW \
  | 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: ed895480288e3ab50f5f2f0a3560ea9db6811af3848aa9d4654e367a08e461d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbc68081844d43912630e7d48e35d8d42649ba66a78dc9a5b5ee009bd4adafbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-04-30T16:10:41Z",
    "title_canon_sha256": "07cf1a0fb9c20b48345219d4daab0ae85f1411006effc2f5fcae4da5ec69345e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11292",
    "kind": "arxiv",
    "version": 1
  }
}