Pith Number

pith:PSCJW76U

pith:2016:PSCJW76U6HJB6SROAZRYZ2QPQN

not attested not anchored not stored refs pending

Some examples of rank-2 Brill-Noether loci

Peter Newstead

arxiv:1608.06421 v6 · 2016-08-23 · 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{PSCJW76U6HJB6SROAZRYZ2QPQN}

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	2026-05-18T00:38:32.115675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c849b7fd4f1d21f4a2e06638cea0f835237b235aae859682a93aaebed4850a7

Aliases

arxiv: 1608.06421 · arxiv_version: 1608.06421v6 · doi: 10.48550/arxiv.1608.06421 · pith_short_12: PSCJW76U6HJB · pith_short_16: PSCJW76U6HJB6SRO · pith_short_8: PSCJW76U

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/PSCJW76U6HJB6SROAZRYZ2QPQN \
  | 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: 7c849b7fd4f1d21f4a2e06638cea0f835237b235aae859682a93aaebed4850a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17c863ede83cfdee229c5133ec6ad87759ecdffa2c395f6a26c6bb74144cfd49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-08-23T08:59:03Z",
    "title_canon_sha256": "fbd895f4fa087ea00af26b4414ed869c57e08cb2725a440cc4c70b7cffaebe81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06421",
    "kind": "arxiv",
    "version": 6
  }
}