Pith Number

pith:MBSQRGF6

pith:2026:MBSQRGF6O3HTXMU2ADPVYUCBKQ

not attested not anchored not stored refs pending

On the excursion algebra

Dennis Gaitsgory, Kevin Lin, Wyatt Reeves

arxiv:2602.11343 v2 · 2026-02-11 · 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{MBSQRGF6O3HTXMU2ADPVYUCBKQ}

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	2026-06-09T02:07:20.922686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60650898be76cf3bb29a00df5c5041541aedaa644da39935f9726a96908ebf47

Aliases

arxiv: 2602.11343 · arxiv_version: 2602.11343v2 · doi: 10.48550/arxiv.2602.11343 · pith_short_12: MBSQRGF6O3HT · pith_short_16: MBSQRGF6O3HTXMU2 · pith_short_8: MBSQRGF6

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/MBSQRGF6O3HTXMU2ADPVYUCBKQ \
  | 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: 60650898be76cf3bb29a00df5c5041541aedaa644da39935f9726a96908ebf47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6a7566f7d27fe302b86e3500777fd459ca5455770f7264e4bd6db44264a8701",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-02-11T20:26:03Z",
    "title_canon_sha256": "e8ecf47cb8c2254f65567d048a6c56340af0de08cff4212cd39d850801c5a96b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.11343",
    "kind": "arxiv",
    "version": 2
  }
}