Pith Number

pith:OUYJSZQK

pith:2017:OUYJSZQKZZM6UYHT27KT4ZGNTW

not attested not anchored not stored refs pending

Families of spherical surfaces and harmonic maps

David Brander, Farid Tari

arxiv:1709.00984 v2 · 2017-09-04 · 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{OUYJSZQKZZM6UYHT27KT4ZGNTW}

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	2026-05-18T00:06:30.965082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

753099660ace59ea60f3d7d53e64cd9dac13f1ecf084d63f227371d389072d2a

Aliases

arxiv: 1709.00984 · arxiv_version: 1709.00984v2 · doi: 10.48550/arxiv.1709.00984 · pith_short_12: OUYJSZQKZZM6 · pith_short_16: OUYJSZQKZZM6UYHT · pith_short_8: OUYJSZQK

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/OUYJSZQKZZM6UYHT27KT4ZGNTW \
  | 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: 753099660ace59ea60f3d7d53e64cd9dac13f1ecf084d63f227371d389072d2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4058f662dd1dea355caa4f8ba56954b539ee7199bdd4b5a885c39ef0e942ab4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-09-04T14:52:05Z",
    "title_canon_sha256": "579c85f617328620ddb8908477da4f8a2171df79cc6f995d9851da062938512b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00984",
    "kind": "arxiv",
    "version": 2
  }
}