Pith Number

pith:4DTGUGET

pith:2014:4DTGUGETEBOE5TJRJKXFCZR4FS

not attested not anchored not stored refs pending

Symplectic structures related with higher order variational problems

Giovanni Moreno, Jerzy Kijowski

arxiv:1408.2142 v2 · 2014-08-09 · math.DG · math-ph · math.MP · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4DTGUGETEBOE5TJRJKXFCZR4FS}

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	2026-05-18T02:09:41.784834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0e66a1893205c4ecd314aae51663c2cb8f52ab3a11875a1ba773b3fa28de98e

Aliases

arxiv: 1408.2142 · arxiv_version: 1408.2142v2 · doi: 10.48550/arxiv.1408.2142 · pith_short_12: 4DTGUGETEBOE · pith_short_16: 4DTGUGETEBOE5TJR · pith_short_8: 4DTGUGET

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/4DTGUGETEBOE5TJRJKXFCZR4FS \
  | 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: e0e66a1893205c4ecd314aae51663c2cb8f52ab3a11875a1ba773b3fa28de98e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68f71ad8daf57ba8133af42ecd84cce12ada3dc5735a952d4634fdd883f13be2",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-08-09T18:27:02Z",
    "title_canon_sha256": "9e33db78ebb3ec6f305b149574ed9897551f2dfbfb2e3f603bc4369d4976973c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2142",
    "kind": "arxiv",
    "version": 2
  }
}