Pith Number

pith:DQ3UDNDR

pith:2012:DQ3UDNDR5IAACXNVUZWLMXW3K5

not attested not anchored not stored refs pending

Differential, integral, and variational delta-embeddings of Lagrangian systems

Agnieszka B. Malinowska, Delfim F. M. Torres, Jacky Cresson

arxiv:1203.0264 v1 · 2012-03-01 · 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{DQ3UDNDR5IAACXNVUZWLMXW3K5}

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	2026-05-18T03:46:03.382784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c3741b471ea00015db5a66cb65edb5775e3491c941a1d8efaabce41ae421d3a

Aliases

arxiv: 1203.0264 · arxiv_version: 1203.0264v1 · doi: 10.48550/arxiv.1203.0264 · pith_short_12: DQ3UDNDR5IAA · pith_short_16: DQ3UDNDR5IAACXNV · pith_short_8: DQ3UDNDR

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/DQ3UDNDR5IAACXNVUZWLMXW3K5 \
  | 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: 1c3741b471ea00015db5a66cb65edb5775e3491c941a1d8efaabce41ae421d3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9ac294a291451e382c2a824607cb48dd12797b20b99bb7a232d94cf28dbe9f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-03-01T18:32:29Z",
    "title_canon_sha256": "aac0b9b540f17a0434c76ec124337aa68c9e38d5ca97f856e853e0e57516e23d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0264",
    "kind": "arxiv",
    "version": 1
  }
}