Pith Number

pith:2EP2L26C

pith:2016:2EP2L26C7RAERITPOECYHPZ4QC

not attested not anchored not stored refs pending

Non-null Slant Ruled Surfaces

Mehmet \"Onder

arxiv:1604.03813 v2 · 2016-04-12 · 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{2EP2L26C7RAERITPOECYHPZ4QC}

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	2026-05-18T00:21:57.319935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d11fa5ebc2fc4048a26f710583bf3c8092bc8b0a6a8b199527a9f273a05151a5

Aliases

arxiv: 1604.03813 · arxiv_version: 1604.03813v2 · doi: 10.48550/arxiv.1604.03813 · pith_short_12: 2EP2L26C7RAE · pith_short_16: 2EP2L26C7RAERITP · pith_short_8: 2EP2L26C

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/2EP2L26C7RAERITPOECYHPZ4QC \
  | 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: d11fa5ebc2fc4048a26f710583bf3c8092bc8b0a6a8b199527a9f273a05151a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4568cc9f31fd4965397e25276280d9cd63829ee175a2d11d257da4593a2d7cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-04-12T11:46:27Z",
    "title_canon_sha256": "21382397fd9ecac196a88d52d3f7fcec5cad1f029aaff01df2387c2bf1240287"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03813",
    "kind": "arxiv",
    "version": 2
  }
}