Pith Number

pith:U6FKWM7E

pith:2017:U6FKWM7EM7KZDVJP4RGEPWQCRT

not attested not anchored not stored refs pending

Dynamics beyond dynamic jam; unfolding the Painlev\'e paradox singularity

Alan Champneys, Arne Nordmark, Peter Varkonyi

arxiv:1707.08343 v1 · 2017-07-26 · math.DS · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U6FKWM7EM7KZDVJP4RGEPWQCRT}

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	2026-05-18T00:39:24.498324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a78aab33e467d591d52fe44c47da028cd63badf424ccc5c818575acc8ceafd85

Aliases

arxiv: 1707.08343 · arxiv_version: 1707.08343v1 · doi: 10.48550/arxiv.1707.08343 · pith_short_12: U6FKWM7EM7KZ · pith_short_16: U6FKWM7EM7KZDVJP · pith_short_8: U6FKWM7E

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/U6FKWM7EM7KZDVJP4RGEPWQCRT \
  | 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: a78aab33e467d591d52fe44c47da028cd63badf424ccc5c818575acc8ceafd85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96bef35c32f84626295498b8354f1e62dc92eb868ff67bae350fd744869ca5e6",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-07-26T09:52:10Z",
    "title_canon_sha256": "9e23ee4491e91b17db2bbce7bf7da7886b17136fcb5b14d4346ad2118bcf92aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08343",
    "kind": "arxiv",
    "version": 1
  }
}