Pith Number

pith:LK43TEHJ

pith:2011:LK43TEHJ3UWFBDOPWMFKAWGTHV

not attested not anchored not stored refs pending

Space-like Weingarten surfaces in the three-dimensional Minkowski space and their natural partial differential equations

Georgi Ganchev, Vesselka Mihova

arxiv:1105.3642 v2 · 2011-05-18 · 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{LK43TEHJ3UWFBDOPWMFKAWGTHV}

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	2026-05-18T02:37:45.055827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ab9b990e9dd2c508dcfb30aa058d33d71d9c71007355c62da235779fb3e7b4b

Aliases

arxiv: 1105.3642 · arxiv_version: 1105.3642v2 · doi: 10.48550/arxiv.1105.3642 · pith_short_12: LK43TEHJ3UWF · pith_short_16: LK43TEHJ3UWFBDOP · pith_short_8: LK43TEHJ

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/LK43TEHJ3UWFBDOPWMFKAWGTHV \
  | 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: 5ab9b990e9dd2c508dcfb30aa058d33d71d9c71007355c62da235779fb3e7b4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2778f5088f2e31720461d386eae25f5c7ab207cd98eff7a1edb30fc4dd5cd688",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-05-18T14:17:35Z",
    "title_canon_sha256": "f80943ce25bc492e1f1d507da6b69db4d85f59d3fe7249156177d4bddb07d6f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3642",
    "kind": "arxiv",
    "version": 2
  }
}