Pith Number

pith:TZJQLJQK

pith:2012:TZJQLJQKKYMSRGRY7QMJQ3JWLF

not attested not anchored not stored refs pending

A few remarks about the Hilbert scheme of smooth projective curves

Claudio Fontanari, Edoardo Ballico

arxiv:1203.5946 v1 · 2012-03-27 · 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{TZJQLJQKKYMSRGRY7QMJQ3JWLF}

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	2026-05-18T03:59:12.956700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e5305a60a5619289a38fc18986d365951089d54f071a606d41f11ab6196a0c1

Aliases

arxiv: 1203.5946 · arxiv_version: 1203.5946v1 · doi: 10.48550/arxiv.1203.5946 · pith_short_12: TZJQLJQKKYMS · pith_short_16: TZJQLJQKKYMSRGRY · pith_short_8: TZJQLJQK

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/TZJQLJQKKYMSRGRY7QMJQ3JWLF \
  | 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: 9e5305a60a5619289a38fc18986d365951089d54f071a606d41f11ab6196a0c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a872f7cadf059ab16be3bbe21d6a89cdbf5591e3f2d8c46d46d3356ad146e34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-03-27T12:14:24Z",
    "title_canon_sha256": "72eb263cd2e3bd105ea11de60c493c334cd6a6fd792142ba04f09ac04a058deb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5946",
    "kind": "arxiv",
    "version": 1
  }
}