Pith Number

pith:TNMTQFUV

pith:2018:TNMTQFUVRZZ2G6HYC3DB4YANKL

not attested not anchored not stored refs pending

The MAPLE package TDDS for computing Thomas decompositions of systems of nonlinear PDEs

Daniel Robertz, Markus Lange-Hegermann, Vladimir P. Gerdt

arxiv:1801.09942 v2 · 2018-01-30 · physics.comp-ph · math.AC · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TNMTQFUVRZZ2G6HYC3DB4YANKL}

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	2026-05-18T00:00:57.582137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b593816958e73a378f816c61e600d52e7e49205db93f1df2110f3a6a3b9e8ad

Aliases

arxiv: 1801.09942 · arxiv_version: 1801.09942v2 · doi: 10.48550/arxiv.1801.09942 · pith_short_12: TNMTQFUVRZZ2 · pith_short_16: TNMTQFUVRZZ2G6HY · pith_short_8: TNMTQFUV

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/TNMTQFUVRZZ2G6HYC3DB4YANKL \
  | 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: 9b593816958e73a378f816c61e600d52e7e49205db93f1df2110f3a6a3b9e8ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8faac3e03aee577123931e274b24b18223adc3a0dd9c5d366d6f85d98fc14f0a",
    "cross_cats_sorted": [
      "math.AC",
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-01-30T11:47:24Z",
    "title_canon_sha256": "c828a329ec5a9eb84b9ef54e5ab6b944afa53e29c0e25afc4eac5716f0cd5227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09942",
    "kind": "arxiv",
    "version": 2
  }
}