Pith Number

pith:N4XZEZDS

pith:2015:N4XZEZDS5TC4DW7DFN4DDBQUK5

not attested not anchored not stored refs pending

A Zariski-local notion of F-total acyclicity for complexes of sheaves

Alina Iacob, Lars Winther Christensen, Sergio Estrada

arxiv:1510.08102 v2 · 2015-10-27 · 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{N4XZEZDS5TC4DW7DFN4DDBQUK5}

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	2026-05-18T01:12:00.297976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f2f926472ecc5c1dbe32b783186145766eb6f31747414e6fd5e54b138d2ba60

Aliases

arxiv: 1510.08102 · arxiv_version: 1510.08102v2 · doi: 10.48550/arxiv.1510.08102 · pith_short_12: N4XZEZDS5TC4 · pith_short_16: N4XZEZDS5TC4DW7D · pith_short_8: N4XZEZDS

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/N4XZEZDS5TC4DW7DFN4DDBQUK5 \
  | 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: 6f2f926472ecc5c1dbe32b783186145766eb6f31747414e6fd5e54b138d2ba60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ee29937a7abff1b9882494df707f52e9da158995d615fd55674f0afb58f8602",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2015-10-27T21:24:34Z",
    "title_canon_sha256": "8fd68b9ade1153309f0244d2be14fc375e24a07b4a02d28a88807af87ad731c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08102",
    "kind": "arxiv",
    "version": 2
  }
}