Pith Number

pith:WUEJ3MU5

pith:2003:WUEJ3MU5GC4VD2ZYOWCJ42TY42

not attested not anchored not stored refs pending

Breathers in a model of a polymer with secondary structure

Michael Kastner, Tomas J. Lazaro

arxiv:nlin/0302028 v1 · 2003-02-12 · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WUEJ3MU5GC4VD2ZYOWCJ42TY42}

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	2026-07-04T14:41:45.989835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5089db29d30b951eb3875849e6a78e6a6cf32bfe2cd5047ee18a708a2bc0cc4

Aliases

arxiv: nlin/0302028 · arxiv_version: nlin/0302028v1 · doi: 10.48550/arxiv.nlin/0302028 · pith_short_12: WUEJ3MU5GC4V · pith_short_16: WUEJ3MU5GC4VD2ZY · pith_short_8: WUEJ3MU5

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/WUEJ3MU5GC4VD2ZYOWCJ42TY42 \
  | 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: b5089db29d30b951eb3875849e6a78e6a6cf32bfe2cd5047ee18a708a2bc0cc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79c4250c9eb63aa38b26dc66ebfd84e89625a09bf1a94f01905f910c615df2ec",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.PS",
    "submitted_at": "2003-02-12T17:30:28Z",
    "title_canon_sha256": "0e7a32e5c5c6d9fc55cc7d697221ea1cfb18f165dd441de563b0c7683521a785"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0302028",
    "kind": "arxiv",
    "version": 1
  }
}