Pith Number

pith:B7WLTYEV

pith:2015:B7WLTYEV2WFM64TDP7RDGA23ER

not attested not anchored not stored refs pending

Lagrangian Constraints and Differential Thomas Decomposition

Daniel Robertz, Vladimir P. Gerdt

arxiv:1509.01464 v2 · 2015-09-04 · math.DS · cs.SC · 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{B7WLTYEV2WFM64TDP7RDGA23ER}

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	2026-05-18T00:49:52.592476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fecb9e095d58acf72637fe233035b2466748926928b26aa64778818ab61eeb1

Aliases

arxiv: 1509.01464 · arxiv_version: 1509.01464v2 · doi: 10.48550/arxiv.1509.01464 · pith_short_12: B7WLTYEV2WFM · pith_short_16: B7WLTYEV2WFM64TD · pith_short_8: B7WLTYEV

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/B7WLTYEV2WFM64TDP7RDGA23ER \
  | 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: 0fecb9e095d58acf72637fe233035b2466748926928b26aa64778818ab61eeb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5124bfd5d2803bc6178328c5e6d42c458a1d1fb1be70d7a904305f0e8601206",
    "cross_cats_sorted": [
      "cs.SC",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-09-04T14:28:51Z",
    "title_canon_sha256": "4071a7c97480cba7e24547be04778f57cb86ad9a4e28c013bf0584dc09e24ec8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01464",
    "kind": "arxiv",
    "version": 2
  }
}