Pith Number

pith:QHWIZVOW

pith:2011:QHWIZVOWX6S7WFQZ5UPEWOGWWG

not attested not anchored not stored refs pending

Scrolls and hyperbolicity

Ciro Ciliberto (`Tor Vergata'), Mikhail Zaidenberg (IF)

arxiv:1103.2850 v1 · 2011-03-15 · 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{QHWIZVOWX6S7WFQZ5UPEWOGWWG}

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	2026-05-18T04:26:46.395198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81ec8cd5d6bfa5fb1619ed1e4b38d6b1a3485d66bd8c0e89d815172c3db1db2c

Aliases

arxiv: 1103.2850 · arxiv_version: 1103.2850v1 · doi: 10.48550/arxiv.1103.2850 · pith_short_12: QHWIZVOWX6S7 · pith_short_16: QHWIZVOWX6S7WFQZ · pith_short_8: QHWIZVOW

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/QHWIZVOWX6S7WFQZ5UPEWOGWWG \
  | 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: 81ec8cd5d6bfa5fb1619ed1e4b38d6b1a3485d66bd8c0e89d815172c3db1db2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06bc1ee0849aadf8cf25b290ff441a9ef71bba8288f6fc126ca09e487282d146",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-03-15T06:13:55Z",
    "title_canon_sha256": "af77a904bcfab7847d637d4816b1865018803e6528e6348d009d6803a5bb5cb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2850",
    "kind": "arxiv",
    "version": 1
  }
}