Pith Number

pith:6DWAY2HB

pith:2017:6DWAY2HB7DAOILTA54H3UKQXF4

not attested not anchored not stored refs pending

Algebraic cycles and EPW cubes

Robert Laterveer

arxiv:1712.05983 v1 · 2017-12-16 · 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{6DWAY2HB7DAOILTA54H3UKQXF4}

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	2026-05-18T00:27:51.381120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0ec0c68e1f8c0e42e60ef0fba2a172f35826361440bf4412efa4fec20e42189

Aliases

arxiv: 1712.05983 · arxiv_version: 1712.05983v1 · doi: 10.48550/arxiv.1712.05983 · pith_short_12: 6DWAY2HB7DAO · pith_short_16: 6DWAY2HB7DAOILTA · pith_short_8: 6DWAY2HB

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/6DWAY2HB7DAOILTA54H3UKQXF4 \
  | 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: f0ec0c68e1f8c0e42e60ef0fba2a172f35826361440bf4412efa4fec20e42189

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57e0fed7328517f6b6324caf8bd6cf01a21534330ebcd41152e26d258fe0fe44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-12-16T16:11:45Z",
    "title_canon_sha256": "4f44dfab6e5e1adb2f9a702194544f2cf008599a12bb3b7fb9555b975f8ff077"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05983",
    "kind": "arxiv",
    "version": 1
  }
}