Pith Number

pith:WPYFXLAA

pith:2017:WPYFXLAAYXI7BFPBWGI7DQ2ZIN

not attested not anchored not stored refs pending

Cohomologies on hypercomplex manifolds

Mehdi Lejmi, Patrick Weber

arxiv:1701.06552 v1 · 2017-01-23 · 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{WPYFXLAAYXI7BFPBWGI7DQ2ZIN}

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	2026-05-18T00:52:18.056816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3f05bac00c5d1f095e1b191f1c3594374d404dc63de945b59a2782c4d30bbbd

Aliases

arxiv: 1701.06552 · arxiv_version: 1701.06552v1 · doi: 10.48550/arxiv.1701.06552 · pith_short_12: WPYFXLAAYXI7 · pith_short_16: WPYFXLAAYXI7BFPB · pith_short_8: WPYFXLAA

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/WPYFXLAAYXI7BFPBWGI7DQ2ZIN \
  | 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: b3f05bac00c5d1f095e1b191f1c3594374d404dc63de945b59a2782c4d30bbbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5e748826c6046c39b18141eff6addb300a09b1f7f2730beb9fa38f38057772b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-01-23T18:46:04Z",
    "title_canon_sha256": "2323d06a4207a4e3222a525980032bb514d569296f4defff917119f91aaf5724"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06552",
    "kind": "arxiv",
    "version": 1
  }
}