Pith Number

pith:ET52WESX

pith:2017:ET52WESXTSM25L7SEOFVJHHK33

not attested not anchored not stored refs pending

Discrete time pontryagin principles in banach spaces

Jo\"el Blot (SAMM), Mohammed Bachir

arxiv:1705.06443 v1 · 2017-05-18 · math.OC · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ET52WESXTSM25L7SEOFVJHHK33}

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	2026-05-18T00:44:14.744065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24fbab12579c99aeaff2238b549ceadef89fc75e8c22a017a25eb17873845aab

Aliases

arxiv: 1705.06443 · arxiv_version: 1705.06443v1 · doi: 10.48550/arxiv.1705.06443 · pith_short_12: ET52WESXTSM2 · pith_short_16: ET52WESXTSM25L7S · pith_short_8: ET52WESX

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/ET52WESXTSM25L7SEOFVJHHK33 \
  | 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: 24fbab12579c99aeaff2238b549ceadef89fc75e8c22a017a25eb17873845aab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c5c305cb43f8c9ce8d4a2302e80a057942414dbd143441f2233fdee28256b8b",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-05-18T07:14:34Z",
    "title_canon_sha256": "6d57d994736c3904e5987ed3d4584d6d15ac38ea3722c9f065bc1b1fbfdee1e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.06443",
    "kind": "arxiv",
    "version": 1
  }
}