Pith Number

pith:UUHQU63E

pith:1999:UUHQU63E37PRFMATL5TGZU2B7B

not attested not anchored not stored refs pending

Correlations in optical phonon spectra of complex solids

C. J. Lambert, G. Fagas, Vladimir I. Fal'ko, Yuval Gefen

arxiv:cond-mat/9910464 v1 · 1999-10-27 · cond-mat.mes-hall · cond-mat.dis-nn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUHQU63E37PRFMATL5TGZU2B7B}

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	2026-07-04T16:13:27.419840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a50f0a7b64dfdf12b0135f666cd341f87f1a175ae777b0e35257e03e5e333680

Aliases

arxiv: cond-mat/9910464 · arxiv_version: cond-mat/9910464v1 · doi: 10.48550/arxiv.cond-mat/9910464 · pith_short_12: UUHQU63E37PR · pith_short_16: UUHQU63E37PRFMAT · pith_short_8: UUHQU63E

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/UUHQU63E37PRFMATL5TGZU2B7B \
  | 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: a50f0a7b64dfdf12b0135f666cd341f87f1a175ae777b0e35257e03e5e333680

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eed00a479e4e6f5cf26d75c360226086528c36f44cd51540dfb85a0dd516fad",
    "cross_cats_sorted": [
      "cond-mat.dis-nn"
    ],
    "license": "",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "1999-10-27T19:20:15Z",
    "title_canon_sha256": "207aa27f018e1327f16a1989f31d76c02ffae3ae9711c54a1874c0ae0ddf9ed5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9910464",
    "kind": "arxiv",
    "version": 1
  }
}