Pith Number

pith:C3ETBBJI

pith:2016:C3ETBBJINL7IENXUFO4DOIIQJO

not attested not anchored not stored refs pending

Extended Local Cohomology and Local Homology

Richard Wicklein, Sean Sather-Wagstaff

arxiv:1602.03226 v2 · 2016-02-10 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C3ETBBJINL7IENXUFO4DOIIQJO}

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	2026-05-18T01:20:06.184140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16c93085286afe8236f42bb83721104b9d03b0b77b0ed733b778cc5a96f138e9

Aliases

arxiv: 1602.03226 · arxiv_version: 1602.03226v2 · doi: 10.48550/arxiv.1602.03226 · pith_short_12: C3ETBBJINL7I · pith_short_16: C3ETBBJINL7IENXU · pith_short_8: C3ETBBJI

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/C3ETBBJINL7IENXUFO4DOIIQJO \
  | 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: 16c93085286afe8236f42bb83721104b9d03b0b77b0ed733b778cc5a96f138e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ec9d9b168b9fc2b02ffc6bd610ef24817c15e2b7684801ba779c3bc22875bbe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2016-02-10T00:11:09Z",
    "title_canon_sha256": "649c1569b1873934415b5cebffa274c6c40b82bbf830c81e126229acc9e4d811"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.03226",
    "kind": "arxiv",
    "version": 2
  }
}