Pith Number

pith:UBM7ZVMT

pith:2018:UBM7ZVMT3HKOKEUCFFBHGKUL5Y

not attested not anchored not stored refs pending

Towards Massively Parallel Computations in Algebraic Geometry

Anne Fr\"uhbis-Kr\"uger, Franz-Josef Pfreundt, Janko Boehm, Lukas Ristau, Mirko Rahn, Wolfram Decker

arxiv:1808.09727 v1 · 2018-08-29 · 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{UBM7ZVMT3HKOKEUCFFBHGKUL5Y}

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	2026-05-18T00:06:54.637832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a059fcd593d9d4e512822942732a8bee331d4a501b240ae78b7aeea9816eb92a

Aliases

arxiv: 1808.09727 · arxiv_version: 1808.09727v1 · doi: 10.48550/arxiv.1808.09727 · pith_short_12: UBM7ZVMT3HKO · pith_short_16: UBM7ZVMT3HKOKEUC · pith_short_8: UBM7ZVMT

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/UBM7ZVMT3HKOKEUCFFBHGKUL5Y \
  | 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: a059fcd593d9d4e512822942732a8bee331d4a501b240ae78b7aeea9816eb92a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd49f3c74c7629cc0d41b2afb3d5ab3b4dfb272ef141d0c2f55710a301ffde4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-08-29T11:08:14Z",
    "title_canon_sha256": "e196937c207adfce07d8d10233ec1761b336532059439c6ed6599a94e521787b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09727",
    "kind": "arxiv",
    "version": 1
  }
}