Pith Number

pith:NPK32YAU

pith:2016:NPK32YAUJMHCHYXXQL7AUCKQEW

not attested not anchored not stored refs pending

Harmonic parametrization of surfaces of arbitrary genus

Peter Connor

arxiv:1602.05265 v2 · 2016-02-17 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPK32YAUJMHCHYXXQL7AUCKQEW}

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	2026-05-18T01:16:04.935093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bd5bd60144b0e23e2f782fe0a0950259ad64a6e4b56ded6cbabdd8508bc3ad9

Aliases

arxiv: 1602.05265 · arxiv_version: 1602.05265v2 · doi: 10.48550/arxiv.1602.05265 · pith_short_12: NPK32YAUJMHC · pith_short_16: NPK32YAUJMHCHYXX · pith_short_8: NPK32YAU

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/NPK32YAUJMHCHYXXQL7AUCKQEW \
  | 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: 6bd5bd60144b0e23e2f782fe0a0950259ad64a6e4b56ded6cbabdd8508bc3ad9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b991c4ee1ab1ca9fcfe81f52add608bb0b8578f297bb8e3c21e1aa3c203f801c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-02-17T01:44:11Z",
    "title_canon_sha256": "8050631b5f9df6d39f5b4c5d72bb44a371b948d1f0a22ef0455f6108a791a940"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05265",
    "kind": "arxiv",
    "version": 2
  }
}