Pith Number

pith:RQOEWNH3

pith:2016:RQOEWNH3WTMU5ONIUTVSH4MRD4

not attested not anchored not stored refs pending

Algebraic cycles and Todorov surfaces

Robert Laterveer

arxiv:1609.09629 v1 · 2016-09-30 · 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{RQOEWNH3WTMU5ONIUTVSH4MRD4}

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	2026-05-17T23:56:48.807910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c1c4b34fbb4d94eb9a8a4eb23f1911f2fd754b2eb0587f08e919b3d994e860a

Aliases

arxiv: 1609.09629 · arxiv_version: 1609.09629v1 · doi: 10.48550/arxiv.1609.09629 · pith_short_12: RQOEWNH3WTMU · pith_short_16: RQOEWNH3WTMU5ONI · pith_short_8: RQOEWNH3

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/RQOEWNH3WTMU5ONIUTVSH4MRD4 \
  | 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: 8c1c4b34fbb4d94eb9a8a4eb23f1911f2fd754b2eb0587f08e919b3d994e860a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb64f711bc34eaf9de4a489c4a1a47a941d67d5167ad908539ea382e197c73f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-09-30T08:31:28Z",
    "title_canon_sha256": "9e1e9ef7dccbb2798b60c3c891f4ef6fdd9c46ff449d43a5f06f928bab769f2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09629",
    "kind": "arxiv",
    "version": 1
  }
}