Pith Number

pith:D2RR6SHX

pith:2010:D2RR6SHXBFNGHM5LLKSKO2UGZS

not attested not anchored not stored refs pending

Spacelike surfaces in Minkowski space satisfying a linear relation between their principal curvatures

\"Ozg\"ur Boyac{\i}o\u{g}lu Kalkan, Rafael L\'opez

arxiv:1003.4550 v1 · 2010-03-23 · 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{D2RR6SHXBFNGHM5LLKSKO2UGZS}

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	2026-05-18T01:09:24.109582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ea31f48f7095a63b3ab5aa4a76a86cca46cd04d0e04a1a0e0802f65aa17eec3

Aliases

arxiv: 1003.4550 · arxiv_version: 1003.4550v1 · doi: 10.48550/arxiv.1003.4550 · pith_short_12: D2RR6SHXBFNG · pith_short_16: D2RR6SHXBFNGHM5L · pith_short_8: D2RR6SHX

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/D2RR6SHXBFNGHM5LLKSKO2UGZS \
  | 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: 1ea31f48f7095a63b3ab5aa4a76a86cca46cd04d0e04a1a0e0802f65aa17eec3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf12ca28df057724518a8212f39186cd88bf574a49fa1fe73f010fcb5f785349",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-03-23T23:00:06Z",
    "title_canon_sha256": "f7d89da88962dbe106e6bd687fce7c73f6eebc9df0e0d359f8016d3b3410be9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.4550",
    "kind": "arxiv",
    "version": 1
  }
}