Pith Number

pith:DRKV33FT

pith:2011:DRKV33FTJGGNXOGE2EXD5EJGVZ

not attested not anchored not stored refs pending

A geometric deletion-restriction formula

Graham Denham, Mathias Schulze, Mehdi Garrousian

arxiv:1110.2799 v1 · 2011-10-12 · math.AG · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DRKV33FTJGGNXOGE2EXD5EJGVZ}

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	2026-05-18T02:42:29.261535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c555decb3498cdbb8c4d12e3e9126ae75f4fd70e705f044109ec186ff97a93d

Aliases

arxiv: 1110.2799 · arxiv_version: 1110.2799v1 · doi: 10.48550/arxiv.1110.2799 · pith_short_12: DRKV33FTJGGN · pith_short_16: DRKV33FTJGGNXOGE · pith_short_8: DRKV33FT

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/DRKV33FTJGGNXOGE2EXD5EJGVZ \
  | 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: 1c555decb3498cdbb8c4d12e3e9126ae75f4fd70e705f044109ec186ff97a93d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d38900321373dff041d74d7873bab1c54ec38325b00bf1360d5fa315af91042a",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-10-12T21:12:12Z",
    "title_canon_sha256": "3af8672f327211211f7ae1609fc5d1a0aededd19e60cc35b24f78d8367de3299"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2799",
    "kind": "arxiv",
    "version": 1
  }
}