Pith Number

pith:2OLYKEAV

pith:2016:2OLYKEAVOUY2JZAJAMMQFIU64Y

not attested not anchored not stored refs pending

Euler-lagrange equation for a delay variational problem

Jo\"el Blot (SAMM), Mamadou Ibrahima Kon\'e (SAMM)

arxiv:1606.09079 v2 · 2016-06-29 · 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{2OLYKEAVOUY2JZAJAMMQFIU64Y}

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	2026-05-18T00:47:36.998034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3978510157531a4e409031902a29ee613ab8d9aacefd6e1b9a12b4dc73e66b8

Aliases

arxiv: 1606.09079 · arxiv_version: 1606.09079v2 · doi: 10.48550/arxiv.1606.09079 · pith_short_12: 2OLYKEAVOUY2 · pith_short_16: 2OLYKEAVOUY2JZAJ · pith_short_8: 2OLYKEAV

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/2OLYKEAVOUY2JZAJAMMQFIU64Y \
  | 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: d3978510157531a4e409031902a29ee613ab8d9aacefd6e1b9a12b4dc73e66b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74556a775525e2de038a59b497b78f5a2a4f10531faf68a0a6674025fba8f1bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-06-29T13:19:50Z",
    "title_canon_sha256": "eaa646c4920f782546d343a1682fd27733e73e52e499763117d4843df2931028"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.09079",
    "kind": "arxiv",
    "version": 2
  }
}