Pith Number

pith:K7ALZ6OV

pith:2017:K7ALZ6OVOO3RRVNXQSN6IA677Z

not attested not anchored not stored refs pending

Noether currents for higher-order variational problems of Herglotz type with time delay

Delfim F. M. Torres, Natalia Martins, Simao P. S. Santos

arxiv:1704.00088 v1 · 2017-04-01 · math.OC · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K7ALZ6OVOO3RRVNXQSN6IA677Z}

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	2026-05-18T00:33:06.689635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57c0bcf9d573b718d5b7849be403dffe6d72cb615607e7fcc6a032326e7c8ffd

Aliases

arxiv: 1704.00088 · arxiv_version: 1704.00088v1 · doi: 10.48550/arxiv.1704.00088 · pith_short_12: K7ALZ6OVOO3R · pith_short_16: K7ALZ6OVOO3RRVNX · pith_short_8: K7ALZ6OV

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/K7ALZ6OVOO3RRVNXQSN6IA677Z \
  | 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: 57c0bcf9d573b718d5b7849be403dffe6d72cb615607e7fcc6a032326e7c8ffd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f804479b42f5815a98e601923b4e97687c93b7de6aa32e612d0c2d2e36b530d0",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-04-01T00:31:31Z",
    "title_canon_sha256": "fb1f1c55428fd6772ce22ca0c093f9f07a89cfd0f3a0f87d5526a3be7b17e5e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00088",
    "kind": "arxiv",
    "version": 1
  }
}