Pith Number

pith:MK64B3YK

pith:2011:MK64B3YKLBM3T4GYOGJLTNK5HI

not attested not anchored not stored refs pending

Linked alternating forms and linked symplectic Grassmannians

Brian Osserman, Montserrat Teixidor i Bigas

arxiv:1101.0825 v1 · 2011-01-04 · 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{MK64B3YKLBM3T4GYOGJLTNK5HI}

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	2026-05-18T04:32:01.375781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62bdc0ef0a5859b9f0d87192b9b55d3a3c1a3d9e7ca7bf4a84cf845d7f454c3f

Aliases

arxiv: 1101.0825 · arxiv_version: 1101.0825v1 · doi: 10.48550/arxiv.1101.0825 · pith_short_12: MK64B3YKLBM3 · pith_short_16: MK64B3YKLBM3T4GY · pith_short_8: MK64B3YK

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/MK64B3YKLBM3T4GYOGJLTNK5HI \
  | 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: 62bdc0ef0a5859b9f0d87192b9b55d3a3c1a3d9e7ca7bf4a84cf845d7f454c3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6291cfa4ba2c2cd079a69dfbdce344c41710d94cb3abdec891cf6e63e042ec4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-01-04T21:30:31Z",
    "title_canon_sha256": "618d50adece7600a4e369fd40870bbade93aae5a9b56fe058302b3e90b324be3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.0825",
    "kind": "arxiv",
    "version": 1
  }
}