Pith Number

pith:CP42CHWD

pith:2015:CP42CHWDEBDV46LCRXLGQ22RZ5

not attested not anchored not stored refs pending

Breaking integrability at the boundary: the sine-Gordon model with Robin boundary conditions

Patrick Dorey, Robert Arthur, Robert Parini

arxiv:1509.08448 v3 · 2015-09-28 · hep-th · 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{CP42CHWDEBDV46LCRXLGQ22RZ5}

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	2026-05-18T01:17:30.553674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13f9a11ec320475e79628dd6686b51cf57b878a3f934b97bd0646562c588fedb

Aliases

arxiv: 1509.08448 · arxiv_version: 1509.08448v3 · doi: 10.48550/arxiv.1509.08448 · pith_short_12: CP42CHWDEBDV · pith_short_16: CP42CHWDEBDV46LC · pith_short_8: CP42CHWD

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/CP42CHWDEBDV46LCRXLGQ22RZ5 \
  | 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: 13f9a11ec320475e79628dd6686b51cf57b878a3f934b97bd0646562c588fedb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2adb997a96dbf477bda7516afcf9aa6300712a5dd960f0415cc70e6b835b4a4a",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-09-28T19:50:30Z",
    "title_canon_sha256": "bf3596ad4efffdc952964eee6e5af07457f1752fc2a2b7202d3b9dade49d359e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08448",
    "kind": "arxiv",
    "version": 3
  }
}