Pith Number

pith:NO2WY2WC

pith:2012:NO2WY2WCXQAZM7QN3CYTIRYDAR

not attested not anchored not stored refs pending

Hermitian forms of K3 type

Evgeny Mayanskiy

arxiv:1210.0189 v1 · 2012-09-30 · 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{NO2WY2WCXQAZM7QN3CYTIRYDAR}

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	2026-05-18T03:44:23.039311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bb56c6ac2bc01967e0dd8b1344703047c370ce44af1f37fc480cbc2cbca2d49

Aliases

arxiv: 1210.0189 · arxiv_version: 1210.0189v1 · doi: 10.48550/arxiv.1210.0189 · pith_short_12: NO2WY2WCXQAZ · pith_short_16: NO2WY2WCXQAZM7QN · pith_short_8: NO2WY2WC

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/NO2WY2WCXQAZM7QN3CYTIRYDAR \
  | 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: 6bb56c6ac2bc01967e0dd8b1344703047c370ce44af1f37fc480cbc2cbca2d49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b19e2cc791f7a56aea4a24b062e26f33c83b892f79c6ab68b3a2428bc3d2817d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-09-30T11:24:55Z",
    "title_canon_sha256": "722fef33e1f7b162df1bb34ffda8d4c4b62d5e9c26036687d6911d44bc8d0385"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0189",
    "kind": "arxiv",
    "version": 1
  }
}