Pith Number

pith:Y7UZHTBR

pith:2017:Y7UZHTBRPOCZYULV3MW22CGTXH

not attested not anchored not stored refs pending

Collections of hypersurfaces containing a curve

Dennis Tseng

arxiv:1702.06517 v3 · 2017-02-21 · 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{Y7UZHTBRPOCZYULV3MW22CGTXH}

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	2026-05-18T00:12:11.444249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7e993cc317b859c5175db2dad08d3b9febaf51fd349c0a6e4f0ca69c31d35ff

Aliases

arxiv: 1702.06517 · arxiv_version: 1702.06517v3 · doi: 10.48550/arxiv.1702.06517 · pith_short_12: Y7UZHTBRPOCZ · pith_short_16: Y7UZHTBRPOCZYULV · pith_short_8: Y7UZHTBR

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/Y7UZHTBRPOCZYULV3MW22CGTXH \
  | 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: c7e993cc317b859c5175db2dad08d3b9febaf51fd349c0a6e4f0ca69c31d35ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1ed477ec174a632c80a26feb57982d4558d3ff79785e63702025234c8c492a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-02-21T18:40:02Z",
    "title_canon_sha256": "a315b30eedfa30ac8175d4772b04b36697e7d2ceddd0b583eac5ab326b774a89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06517",
    "kind": "arxiv",
    "version": 3
  }
}