Pith Number

pith:WAPLKBSF

pith:2016:WAPLKBSFQ3FUAWBWT77E7SXVRU

not attested not anchored not stored refs pending

A local characterization for constant curvature metrics in 2-dimensional Lorentz manifolds

Alexandre Lymberopoulos, Ivo Terek

arxiv:1605.07573 v1 · 2016-05-24 · 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{WAPLKBSFQ3FUAWBWT77E7SXVRU}

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	2026-05-18T01:13:45.707028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b01eb5064586cb4058369ffe4fcaf58d251caa1ffc02eacecc3d8d7bdb09cacd

Aliases

arxiv: 1605.07573 · arxiv_version: 1605.07573v1 · doi: 10.48550/arxiv.1605.07573 · pith_short_12: WAPLKBSFQ3FU · pith_short_16: WAPLKBSFQ3FUAWBW · pith_short_8: WAPLKBSF

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/WAPLKBSFQ3FUAWBWT77E7SXVRU \
  | 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: b01eb5064586cb4058369ffe4fcaf58d251caa1ffc02eacecc3d8d7bdb09cacd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a27165b7eeb56531817b286646c0a7ae04e2bf26d392aee8d42e37ec5dc6f6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-05-24T18:28:17Z",
    "title_canon_sha256": "02a387ccb72cc1d03cf8df7d45b390dd19568864e67d7b2c6616980cd9c46d85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.07573",
    "kind": "arxiv",
    "version": 1
  }
}