Pith Number

pith:DU7HZT3S

pith:2015:DU7HZT3SATUINUSSU74PRG32CC

not attested not anchored not stored refs pending

Homological projective duality for linear systems with base locus

Francesca Carocci, Zak Turcinovic

arxiv:1511.09398 v1 · 2015-11-30 · 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{DU7HZT3SATUINUSSU74PRG32CC}

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	2026-05-18T01:25:40.348524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d3e7ccf7204e886d252a7f8f89b7a109a19e663556fe1b812ba05690459cb5c

Aliases

arxiv: 1511.09398 · arxiv_version: 1511.09398v1 · doi: 10.48550/arxiv.1511.09398 · pith_short_12: DU7HZT3SATUI · pith_short_16: DU7HZT3SATUINUSS · pith_short_8: DU7HZT3S

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/DU7HZT3SATUINUSSU74PRG32CC \
  | 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: 1d3e7ccf7204e886d252a7f8f89b7a109a19e663556fe1b812ba05690459cb5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18fd545c6d209d403eb211cff556dcbd5c43cfd4d6d9806b3970e10a99c57de1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-11-30T17:29:41Z",
    "title_canon_sha256": "f427b9580007828f4740bb9a5da9135d8257e2324a9d5294e84aa84502ceb0ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.09398",
    "kind": "arxiv",
    "version": 1
  }
}