Pith Number

pith:W6OUASKV

pith:2014:W6OUASKVKCY73222Y43GDCJU23

not attested not anchored not stored refs pending

Sagitta, Lenses, and Maximal Volume

Curtis Pro

arxiv:1408.5534 v2 · 2014-08-23 · 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{W6OUASKVKCY73222Y43GDCJU23}

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	2026-05-18T02:32:53.370289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b79d40495550b1fdeb5ac736618934d6d13f18160079ad7dbb5e5b29ad4623f8

Aliases

arxiv: 1408.5534 · arxiv_version: 1408.5534v2 · doi: 10.48550/arxiv.1408.5534 · pith_short_12: W6OUASKVKCY7 · pith_short_16: W6OUASKVKCY73222 · pith_short_8: W6OUASKV

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/W6OUASKVKCY73222Y43GDCJU23 \
  | 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: b79d40495550b1fdeb5ac736618934d6d13f18160079ad7dbb5e5b29ad4623f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea1a69a5864017bf46fbe9071fde54d64c9f21ebc4d49e9395870b3faf90d764",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-08-23T23:17:49Z",
    "title_canon_sha256": "dd36b01d96eb454fc0375b4d47a4bb956e2abc1977f382f7697619f44232441f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.5534",
    "kind": "arxiv",
    "version": 2
  }
}