Pith Number

pith:H5KXPY2U

pith:2018:H5KXPY2U4OWNPS7ABIGH3EF6OG

not attested not anchored not stored refs pending

A note on the $G$-Sarkisov program

Enrica Floris

arxiv:1810.05105 v1 · 2018-10-11 · 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{H5KXPY2U4OWNPS7ABIGH3EF6OG}

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	2026-05-18T00:03:34.855305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f5577e354e3acd7cbe00a0c7d90be719729a000bd58115df18963b1e00833c6

Aliases

arxiv: 1810.05105 · arxiv_version: 1810.05105v1 · doi: 10.48550/arxiv.1810.05105 · pith_short_12: H5KXPY2U4OWN · pith_short_16: H5KXPY2U4OWNPS7A · pith_short_8: H5KXPY2U

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/H5KXPY2U4OWNPS7ABIGH3EF6OG \
  | 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: 3f5577e354e3acd7cbe00a0c7d90be719729a000bd58115df18963b1e00833c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cf5efdbffe6007fef4380e3f40ff9baced7e5bc03192d7095717f79c9f4eb65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-10-11T16:16:41Z",
    "title_canon_sha256": "c2bb334a29539d1ec2bffb30df34dbad8acae36113b7fad7b78d5a56d7c428ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05105",
    "kind": "arxiv",
    "version": 1
  }
}