Pith Number

pith:PV7XA6CM

pith:2018:PV7XA6CM6TVQO3ELJZH7ZTMLXV

not attested not anchored not stored refs pending

Correspondence scrolls

Alessio Sammartano, David Eisenbud

arxiv:1809.03059 v1 · 2018-09-09 · math.AG · 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{PV7XA6CM6TVQO3ELJZH7ZTMLXV}

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	2026-05-17T23:42:13.943975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d7f70784cf4eb076c8b4e4ffccd8bbd58685656f625f20de31282530f500770

Aliases

arxiv: 1809.03059 · arxiv_version: 1809.03059v1 · doi: 10.48550/arxiv.1809.03059 · pith_short_12: PV7XA6CM6TVQ · pith_short_16: PV7XA6CM6TVQO3EL · pith_short_8: PV7XA6CM

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/PV7XA6CM6TVQO3ELJZH7ZTMLXV \
  | 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: 7d7f70784cf4eb076c8b4e4ffccd8bbd58685656f625f20de31282530f500770

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dcff733a621d2bd815c992a2c2a65c97fdeccb35d19c8fda05e33649fe54f2a",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-09-09T23:23:28Z",
    "title_canon_sha256": "d0c487d706a187ab0846cd447a01fc84e719cf0ae7bc5271f04324e235284038"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03059",
    "kind": "arxiv",
    "version": 1
  }
}