Pith Number

pith:JETVQIQI

pith:2015:JETVQIQIOWY4PY4JJIPYDHNY4R

not attested not anchored not stored refs pending

Spacelike convex surfaces with prescribed curvature in (2+1)-Minkowski space

Andrea Seppi, Francesco Bonsante

arxiv:1505.06748 v2 · 2015-05-25 · math.DG · math.AP · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JETVQIQIOWY4PY4JJIPYDHNY4R}

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	2026-05-18T00:59:42.337965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

492758220875b1c7e3894a1f819db8e47291e264bb25e54b6754cef8322a2e65

Aliases

arxiv: 1505.06748 · arxiv_version: 1505.06748v2 · doi: 10.48550/arxiv.1505.06748 · pith_short_12: JETVQIQIOWY4 · pith_short_16: JETVQIQIOWY4PY4J · pith_short_8: JETVQIQI

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/JETVQIQIOWY4PY4JJIPYDHNY4R \
  | 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: 492758220875b1c7e3894a1f819db8e47291e264bb25e54b6754cef8322a2e65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d16b90b1e44fe1f69a92fe8b49f58bca150a3ad4698918cc7ed6ef10d2b620d",
    "cross_cats_sorted": [
      "math.AP",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-05-25T20:25:42Z",
    "title_canon_sha256": "50dfed3f3ad0b3871f3327fb17371490f0b1a6849cac86824ff8606fb467f1e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06748",
    "kind": "arxiv",
    "version": 2
  }
}