Pith Number

pith:OUEXWWBZ

pith:2016:OUEXWWBZURG6JUIMFDYT7JA3ZD

not attested not anchored not stored refs pending

Strongly stable surfaces in sub-Riemannian $3$-space forms

Ana Hurtado, C\'esar Rosales

arxiv:1610.04408 v1 · 2016-10-14 · math.DG · math.MG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OUEXWWBZURG6JUIMFDYT7JA3ZD}

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	2026-05-18T01:02:15.305327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75097b5839a44de4d10c28f13fa41bc8c8aa72139d19e2248489920d60fb65bf

Aliases

arxiv: 1610.04408 · arxiv_version: 1610.04408v1 · doi: 10.48550/arxiv.1610.04408 · pith_short_12: OUEXWWBZURG6 · pith_short_16: OUEXWWBZURG6JUIM · pith_short_8: OUEXWWBZ

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/OUEXWWBZURG6JUIMFDYT7JA3ZD \
  | 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: 75097b5839a44de4d10c28f13fa41bc8c8aa72139d19e2248489920d60fb65bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a66b807ea2849367ac8029d86270a1b35966a8310413a2ab33f11cf83e399f04",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-10-14T11:15:11Z",
    "title_canon_sha256": "b6c48cc78861c77ec9318d33ca3328176219cb5ab79616b43d5731ef8d8dc7bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04408",
    "kind": "arxiv",
    "version": 1
  }
}