Pith Number

pith:PGUXUTP4

pith:2014:PGUXUTP4NZMGPSHB55KQ262DDT

not attested not anchored not stored refs pending

Optimal Control Of Surface Shape

Harbir Antil, Shawn W. Walker

arxiv:1407.4297 v2 · 2014-07-16 · 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{PGUXUTP4NZMGPSHB55KQ262DDT}

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	2026-05-18T02:31:47.073600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79a97a4dfc6e5867c8e1ef550d7b431cfd0b6f1728b9ba5fcf885ddd633e7474

Aliases

arxiv: 1407.4297 · arxiv_version: 1407.4297v2 · doi: 10.48550/arxiv.1407.4297 · pith_short_12: PGUXUTP4NZMG · pith_short_16: PGUXUTP4NZMGPSHB · pith_short_8: PGUXUTP4

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/PGUXUTP4NZMGPSHB55KQ262DDT \
  | 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: 79a97a4dfc6e5867c8e1ef550d7b431cfd0b6f1728b9ba5fcf885ddd633e7474

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d59e8cdd7980b48a2e32a5be85f0bf653162f105744e63cd90ec35ad966ca40",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-07-16T13:20:14Z",
    "title_canon_sha256": "3fddb445f0a06c3d806cf07bfa0e0f4f6c17b6782a4775f6adf3c08eac1fbeb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4297",
    "kind": "arxiv",
    "version": 2
  }
}