Pith Number

pith:U6I5DWSW

pith:2017:U6I5DWSWFEUN47DXLOGETOUFWW

not attested not anchored not stored refs pending

About simple variational splines from the Hamiltonian viewpoint

Alejandro Cabrera, Jair Koiller, Paula Balseiro, Teresinha J. Stuchi

arxiv:1711.02773 v1 · 2017-11-07 · math.SG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U6I5DWSWFEUN47DXLOGETOUFWW}

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	2026-05-18T00:31:01.803887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a791d1da562928de7c775b8c49ba85b584ea080035c2a5a73d00ea050096988e

Aliases

arxiv: 1711.02773 · arxiv_version: 1711.02773v1 · doi: 10.48550/arxiv.1711.02773 · pith_short_12: U6I5DWSWFEUN · pith_short_16: U6I5DWSWFEUN47DX · pith_short_8: U6I5DWSW

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/U6I5DWSWFEUN47DXLOGETOUFWW \
  | 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: a791d1da562928de7c775b8c49ba85b584ea080035c2a5a73d00ea050096988e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d6c7f85821904066d7ecb2f4c940b5310f5724ef449fe6268e26eb59522ba66",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2017-11-07T23:56:26Z",
    "title_canon_sha256": "8b7110e21c03dbe72709be0403d44ea8bb07614ebf1220b8431f6cd40315c946"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02773",
    "kind": "arxiv",
    "version": 1
  }
}