Pith Number

pith:YFPFFUIG

pith:2017:YFPFFUIGXNLSR3H4Q2Q5AXY2PM

not attested not anchored not stored refs pending

Properties of uniform tangent sets and Lagrange multiplier rule

Mira Bivas, Mladen Valkov, Nadezhda Ribarska

arxiv:1712.01540 v1 · 2017-12-05 · 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{YFPFFUIGXNLSR3H4Q2Q5AXY2PM}

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	2026-05-18T00:28:50.411372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c15e52d106bb5728ecfc86a1d05f1a7b2c55c3f173f3f7fce47f748449964af4

Aliases

arxiv: 1712.01540 · arxiv_version: 1712.01540v1 · doi: 10.48550/arxiv.1712.01540 · pith_short_12: YFPFFUIGXNLS · pith_short_16: YFPFFUIGXNLSR3H4 · pith_short_8: YFPFFUIG

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/YFPFFUIGXNLSR3H4Q2Q5AXY2PM \
  | 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: c15e52d106bb5728ecfc86a1d05f1a7b2c55c3f173f3f7fce47f748449964af4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1df22e02c97f30ac9f9420b8b00120843aecbdfb177ed1a67c5c7c5fe6ecf746",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-12-05T09:36:05Z",
    "title_canon_sha256": "b3af4ded537c21c55559ef573b5c59bd93c7b8488b7885634b839094a3e5ce3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01540",
    "kind": "arxiv",
    "version": 1
  }
}