Pith Number

pith:7Q6ONPTP

pith:2017:7Q6ONPTPK4G4MZOGM6WBHQXP7C

not attested not anchored not stored refs pending

1-Cycles on Fano varieties

Cristian Minoccheri, Xuanyu Pan

arxiv:1711.09987 v1 · 2017-11-27 · 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{7Q6ONPTPK4G4MZOGM6WBHQXP7C}

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	2026-05-18T00:29:23.715756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc3ce6be6f570dc665c667ac13c2eff8b0021b171443c7ad4b2741a1d985f5bf

Aliases

arxiv: 1711.09987 · arxiv_version: 1711.09987v1 · doi: 10.48550/arxiv.1711.09987 · pith_short_12: 7Q6ONPTPK4G4 · pith_short_16: 7Q6ONPTPK4G4MZOG · pith_short_8: 7Q6ONPTP

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/7Q6ONPTPK4G4MZOGM6WBHQXP7C \
  | 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: fc3ce6be6f570dc665c667ac13c2eff8b0021b171443c7ad4b2741a1d985f5bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "014bdd669dcc9a7ea7f4f35b2c8c8543b6d4e3fdc8501e810f325065e1c056b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-11-27T20:49:12Z",
    "title_canon_sha256": "847c237c82a090823d29d5a659331a59036eb3586b1c84f710587bb9e011e1c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09987",
    "kind": "arxiv",
    "version": 1
  }
}