Pith Number

pith:62G5GB6Y

pith:2016:62G5GB6YADGU26JON5XP2YRBBT

not attested not anchored not stored refs pending

On nonnegatively curved hypersurfaces in hyperbolic space

Jie Qing, Shiguang Ma, Vincent Bonini

arxiv:1603.03862 v3 · 2016-03-12 · 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{62G5GB6YADGU26JON5XP2YRBBT}

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	2026-05-18T00:40:01.388486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f68dd307d800cd4d792e6f6efd62210cdfa726e3293638c8ec9710b2094cba6d

Aliases

arxiv: 1603.03862 · arxiv_version: 1603.03862v3 · doi: 10.48550/arxiv.1603.03862 · pith_short_12: 62G5GB6YADGU · pith_short_16: 62G5GB6YADGU26JO · pith_short_8: 62G5GB6Y

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/62G5GB6YADGU26JON5XP2YRBBT \
  | 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: f68dd307d800cd4d792e6f6efd62210cdfa726e3293638c8ec9710b2094cba6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c3076c881ef3d863f3f6a6310c6b1e432c87119bce527ddad9139dc26703d63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-03-12T04:57:35Z",
    "title_canon_sha256": "8ddaa496992de104b2bc0f143bd4a24a5dac70b09de2564ca5b8f8b979b2aa3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03862",
    "kind": "arxiv",
    "version": 3
  }
}