Pith Number

pith:TXG7A5OK

pith:2019:TXG7A5OKBPNCJ6F7OWRE37KGZX

not attested not anchored not stored refs pending

On Fano schemes of complete intersections

Ciro Ciliberto, M Zaidenberg (IF)

arxiv:1903.11294 v2 · 2019-03-27 · 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{TXG7A5OKBPNCJ6F7OWRE37KGZX}

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	2026-05-17T23:48:19.731105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dcdf075ca0bda24f8bf75a24dfd46cdea813ebeaf34c91a0ff5f1157b18733c

Aliases

arxiv: 1903.11294 · arxiv_version: 1903.11294v2 · doi: 10.48550/arxiv.1903.11294 · pith_short_12: TXG7A5OKBPNC · pith_short_16: TXG7A5OKBPNCJ6F7 · pith_short_8: TXG7A5OK

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/TXG7A5OKBPNCJ6F7OWRE37KGZX \
  | 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: 9dcdf075ca0bda24f8bf75a24dfd46cdea813ebeaf34c91a0ff5f1157b18733c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a266fbeda0aabef89878214f105c7ebb30b6ed6575d20e327c6df9e72857b693",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-03-27T08:52:45Z",
    "title_canon_sha256": "a5d37adae875fba86719e323554fd2588167c0e0952d0b53c0a2df1c8743d5eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11294",
    "kind": "arxiv",
    "version": 2
  }
}