Pith Number

pith:UDPUFTS5

pith:2012:UDPUFTS5DPRBVOYES5VJUQIDDF

not attested not anchored not stored refs pending

A class of integrable Hamiltonian systems including scattering of particles on the line with repulsive interactions

Gaetano Zampieri, Gianluca Gorni

arxiv:1204.1713 v2 · 2012-04-08 · nlin.SI · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDPUFTS5DPRBVOYES5VJUQIDDF}

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	2026-05-18T03:51:14.073930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0df42ce5d1be21abb04976a9a41031958ba0eb7aaa16a1db53e9ed22bae52d7

Aliases

arxiv: 1204.1713 · arxiv_version: 1204.1713v2 · doi: 10.48550/arxiv.1204.1713 · pith_short_12: UDPUFTS5DPRB · pith_short_16: UDPUFTS5DPRBVOYE · pith_short_8: UDPUFTS5

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/UDPUFTS5DPRBVOYES5VJUQIDDF \
  | 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: a0df42ce5d1be21abb04976a9a41031958ba0eb7aaa16a1db53e9ed22bae52d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef70336b909666c56999d46b7fb3876467541db633c119763db3d33159bcc30e",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2012-04-08T07:23:23Z",
    "title_canon_sha256": "a96ad87e487e3af48af53ba914dee8d956f88fcfa383cf8168c8a5f8faa49849"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1713",
    "kind": "arxiv",
    "version": 2
  }
}