Pith Number

pith:IX6HY4YV

pith:2011:IX6HY4YV4LCIIDFMRFEMN6KSVZ

not attested not anchored not stored refs pending

On a question of Sean Keel

Indranil Biswas, S.Subramanian

arxiv:1102.0606 v1 · 2011-02-03 · 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{IX6HY4YV4LCIIDFMRFEMN6KSVZ}

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	2026-05-18T04:30:04.394123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45fc7c7315e2c4840cac8948c6f952ae51b9fc0739b89d764d3288f329e97597

Aliases

arxiv: 1102.0606 · arxiv_version: 1102.0606v1 · doi: 10.48550/arxiv.1102.0606 · pith_short_12: IX6HY4YV4LCI · pith_short_16: IX6HY4YV4LCIIDFM · pith_short_8: IX6HY4YV

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/IX6HY4YV4LCIIDFMRFEMN6KSVZ \
  | 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: 45fc7c7315e2c4840cac8948c6f952ae51b9fc0739b89d764d3288f329e97597

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8616a24a352085535ec747b5eb5a3163205954b07c4ffaaebf580099d073906d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-02-03T06:04:26Z",
    "title_canon_sha256": "ec7a3e1b96f5299f8e92cc6e6981e97b5224e1935ee94cb151a17feced2d6232"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0606",
    "kind": "arxiv",
    "version": 1
  }
}