Pith Number

pith:ZGDSKRYW

pith:2010:ZGDSKRYW4N3SOGA3W44TPPWG7S

not attested not anchored not stored refs pending

Surfaces in $\E^3$ making constant angle with Killing vector fields

Ana Irina Nistor, Marian Ioan Munteanu

arxiv:1010.5795 v1 · 2010-10-27 · 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{ZGDSKRYW4N3SOGA3W44TPPWG7S}

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	2026-05-18T04:31:22.105777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c987254716e37727181bb73937bec6fc9808e396e808c631a35e233d31723194

Aliases

arxiv: 1010.5795 · arxiv_version: 1010.5795v1 · doi: 10.48550/arxiv.1010.5795 · pith_short_12: ZGDSKRYW4N3S · pith_short_16: ZGDSKRYW4N3SOGA3 · pith_short_8: ZGDSKRYW

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/ZGDSKRYW4N3SOGA3W44TPPWG7S \
  | 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: c987254716e37727181bb73937bec6fc9808e396e808c631a35e233d31723194

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f94dab9ba1bb3d5acf512cc6c96573c54a017fd2321731e2c03fd36520c8446",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-10-27T20:07:52Z",
    "title_canon_sha256": "c6b77cb2c9b142dba5d00ab9c52069d16090e131fe2e693ea149ed911cb37d8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5795",
    "kind": "arxiv",
    "version": 1
  }
}