Pith Number

pith:7TABW4J4

pith:2001:7TABW4J4LNWV3JWTMA2FUYYLQH

not attested not anchored not stored refs pending

Spectral Structure of Quantum Line with a Defect

Izumi Tsutsui, Taksu Cheon, Tamas Fulop

arxiv:quant-ph/0109061 v2 · 2001-09-13 · quant-ph · cond-mat.mes-hall · gr-qc · 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{7TABW4J4LNWV3JWTMA2FUYYLQH}

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	2026-05-18T00:37:24.149241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcc01b713c5b6d5da6d360345a630b81c3630a72e646ace6c22cdcb1e8ab876b

Aliases

arxiv: quant-ph/0109061 · arxiv_version: quant-ph/0109061v2 · doi: 10.48550/arxiv.quant-ph/0109061 · pith_short_12: 7TABW4J4LNWV · pith_short_16: 7TABW4J4LNWV3JWT · pith_short_8: 7TABW4J4

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/7TABW4J4LNWV3JWTMA2FUYYLQH \
  | 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: fcc01b713c5b6d5da6d360345a630b81c3630a72e646ace6c22cdcb1e8ab876b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53042cde3f42b215815890784600415380db5e31077e8788f1c5ecd1a95deab3",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "gr-qc",
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-09-13T15:45:10Z",
    "title_canon_sha256": "a5b4eab5a5eafa17caddbe4e155cc68f4abe159abea1606f18c78ff16e5d970d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0109061",
    "kind": "arxiv",
    "version": 2
  }
}