Pith Number

pith:GSJR45KT

pith:2018:GSJR45KTVE4IUIUKGHKICZWHUK

not attested not anchored not stored refs pending

Computing Periods of Hypersurfaces

Emre Can Sert\"oz

arxiv:1803.08068 v2 · 2018-03-21 · math.AG · cs.SC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GSJR45KTVE4IUIUKGHKICZWHUK}

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	2026-05-17T23:48:01.985851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34931e7553a9388a228a31d48166c7a29e8b166e520cf5733f50479b7e6e29b1

Aliases

arxiv: 1803.08068 · arxiv_version: 1803.08068v2 · doi: 10.48550/arxiv.1803.08068 · pith_short_12: GSJR45KTVE4I · pith_short_16: GSJR45KTVE4IUIUK · pith_short_8: GSJR45KT

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/GSJR45KTVE4IUIUKGHKICZWHUK \
  | 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: 34931e7553a9388a228a31d48166c7a29e8b166e520cf5733f50479b7e6e29b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4f0905e1ac3140426be89836f35ff13de3509bccdd1aa74cad3e6c285ff8a12",
    "cross_cats_sorted": [
      "cs.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-03-21T18:04:18Z",
    "title_canon_sha256": "b05de388e4e6bcca21d35c14648e7d83b07ea0048b4a2114fdb86ad83beee0f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08068",
    "kind": "arxiv",
    "version": 2
  }
}