Pith Number

pith:7WPW5Q53

pith:2008:7WPW5Q53BCIGC5S3ULB5NLHPP6

not attested not anchored not stored refs pending

R-matrix approach to integrable systems on time scales

Blazej M. Szablikowski, Burcu Silindir, Maciej Blaszak

arxiv:0803.1439 v1 · 2008-03-10 · nlin.SI · 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{7WPW5Q53BCIGC5S3ULB5NLHPP6}

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	2026-05-18T01:20:31.907058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd9f6ec3bb089061765ba2c3d6acef7f956ad65ef9280df8a256abcda444a8c4

Aliases

arxiv: 0803.1439 · arxiv_version: 0803.1439v1 · doi: 10.48550/arxiv.0803.1439 · pith_short_12: 7WPW5Q53BCIG · pith_short_16: 7WPW5Q53BCIGC5S3 · pith_short_8: 7WPW5Q53

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/7WPW5Q53BCIGC5S3ULB5NLHPP6 \
  | 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: fd9f6ec3bb089061765ba2c3d6acef7f956ad65ef9280df8a256abcda444a8c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf05470dd78d1310914b22e7ef43bcf8b318b67e8acfd7d3b6023c0892043bb3",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2008-03-10T15:26:47Z",
    "title_canon_sha256": "125df0e19bb2485f03c2168b936242bf6e566e6039fa8dc2f39a665b0e10de3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.1439",
    "kind": "arxiv",
    "version": 1
  }
}