Pith Number

pith:U7H67MKM

pith:1998:U7H67MKM2TKPULHONECGZ3MOPS

not attested not anchored not stored refs pending

Lax pair formulation for a small-polaron chain with integrable boundaries

Rudolf A. Roemer, Uwe Grimm, Xi-Wen Guan

arxiv:cond-mat/9811089 v1 · 1998-11-06 · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U7H67MKM2TKPULHONECGZ3MOPS}

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	2026-05-18T00:34:17.013356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7cfefb14cd4d4fa2cee69046ced8e7cb11f505c1c20c54971c2f76763ea2ca0

Aliases

arxiv: cond-mat/9811089 · arxiv_version: cond-mat/9811089v1 · doi: 10.48550/arxiv.cond-mat/9811089 · pith_short_12: U7H67MKM2TKP · pith_short_16: U7H67MKM2TKPULHO · pith_short_8: U7H67MKM

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/U7H67MKM2TKPULHONECGZ3MOPS \
  | 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: a7cfefb14cd4d4fa2cee69046ced8e7cb11f505c1c20c54971c2f76763ea2ca0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3844493ee49004f19f38c00a0fc1f188af4db192408fdced48dadddaff39539f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "1998-11-06T11:26:40Z",
    "title_canon_sha256": "4b5a02a712db6eac767bc68b6b49460d00d39372dd402396b7481e084e45fea6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9811089",
    "kind": "arxiv",
    "version": 1
  }
}