pith. sign in
Pith Number

pith:MWIV4V7P

pith:1995:MWIV4V7PK7XJCZEZUMJ2HDAZPZ
not attested not anchored not stored refs pending

Geometry of Lagrangian First-order Classical Field Theories

Arturo Echeverr\'ia-Enr\'iquez, Miguel C. Mu\~noz-Lecanda, Narciso Rom\'an-Roy

arxiv:dg-ga/9505004 v1 · 1995-05-17 · dg-ga · hep-th · math.DG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{MWIV4V7PK7XJCZEZUMJ2HDAZPZ}

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 2026-05-18T01:17:26.550305Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

65915e57ef57ee916499a313a38c197e6f524b06650022540e20bb50f587726e

Aliases

arxiv: dg-ga/9505004 · arxiv_version: dg-ga/9505004v1 · doi: 10.48550/arxiv.dg-ga/9505004 · pith_short_12: MWIV4V7PK7XJ · pith_short_16: MWIV4V7PK7XJCZEZ · pith_short_8: MWIV4V7P
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/MWIV4V7PK7XJCZEZUMJ2HDAZPZ \
  | 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: 65915e57ef57ee916499a313a38c197e6f524b06650022540e20bb50f587726e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d4cf14ce0f72dc30e4bba53b89c75aaa09657c115d5082955076f1040df909bc",
    "cross_cats_sorted": [
      "hep-th",
      "math.DG"
    ],
    "license": "",
    "primary_cat": "dg-ga",
    "submitted_at": "1995-05-17T18:19:35Z",
    "title_canon_sha256": "bac376799984a9db5ff9be963ccd5c7f3ee5a1183916d0c4a10132c1862fd754"
  },
  "schema_version": "1.0",
  "source": {
    "id": "dg-ga/9505004",
    "kind": "arxiv",
    "version": 1
  }
}