Pith Number

pith:N27XJCOY

pith:1997:N27XJCOYBABIYMP665DS33XOWZ

not attested not anchored not stored refs pending

Buchsbaum-Rim sheaves and their multiple sections

C. Peterson, J. C. Migliore, U. Nagel

arxiv:alg-geom/9708022 v1 · 1997-08-26 · alg-geom · math.AC · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N27XJCOYBABIYMP665DS33XOWZ}

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	2026-07-04T15:08:09.287204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ebf7489d808028c31fef7472deeeeb64e0ba4722c80c5f570e4acf89eea16b1

Aliases

arxiv: alg-geom/9708022 · arxiv_version: alg-geom/9708022v1 · doi: 10.48550/arxiv.alg-geom/9708022 · pith_short_12: N27XJCOYBABI · pith_short_16: N27XJCOYBABIYMP6 · pith_short_8: N27XJCOY

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/N27XJCOYBABIYMP665DS33XOWZ \
  | 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: 6ebf7489d808028c31fef7472deeeeb64e0ba4722c80c5f570e4acf89eea16b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a92d390d7694f520abca1d5432f0e723f4d5cceea6afad3bfe516f2cff7d3425",
    "cross_cats_sorted": [
      "math.AC",
      "math.AG"
    ],
    "license": "",
    "primary_cat": "alg-geom",
    "submitted_at": "1997-08-26T17:03:21Z",
    "title_canon_sha256": "5a836b964ffea4e4875b2fa265d5cdc266db0cdd72c666d48b7aa060ca7bd8ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "alg-geom/9708022",
    "kind": "arxiv",
    "version": 1
  }
}