Pith Number

pith:OVBPZS57

pith:2021:OVBPZS57BEO3JZOUDRLEXC63JU

not attested not anchored not stored refs pending

On webs, polylogarithms and cluster algebras

Luc Pirio

arxiv:2105.01543 v1 · 2021-05-04 · math.DG · 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{OVBPZS57BEO3JZOUDRLEXC63JU}

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.

Cited by

1 paper in Pith

A story of webs: the webs by conics on del Pezzo quartic surfaces and Gelfand-MacPherson's web of the spinor tenfold

Receipt and verification

First computed	2026-07-05T02:41:20.854079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7542fccbbf091db4e5d41c564b8bdb4d196094b02d6861c3e7202682997a9991

Aliases

arxiv: 2105.01543 · arxiv_version: 2105.01543v1 · doi: 10.48550/arxiv.2105.01543 · pith_short_12: OVBPZS57BEO3 · pith_short_16: OVBPZS57BEO3JZOU · pith_short_8: OVBPZS57

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/OVBPZS57BEO3JZOUDRLEXC63JU \
  | 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: 7542fccbbf091db4e5d41c564b8bdb4d196094b02d6861c3e7202682997a9991

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c18c8ae12f92e9b25ca3de3ee1b08304a170175d88bc5efe0f75a21850972aee",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2021-05-04T14:54:09Z",
    "title_canon_sha256": "06987f9705deaa01ae0fda7cb4c1a0cd8dc767ab670bbeb7015d5a9cabf7b53e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.01543",
    "kind": "arxiv",
    "version": 1
  }
}