Pith Number

pith:LOONWG43

pith:1999:LOONWG43DCUGBGA7GWGQ72XAY5

not attested not anchored not stored refs pending

Fermi edge singularities in X-ray spectra of strongly correlated fermions

D. V. Khveshchenko, P. W. Anderson

arxiv:cond-mat/9908278 v1 · 1999-08-19 · cond-mat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LOONWG43DCUGBGA7GWGQ72XAY5}

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	2026-05-18T01:07:04.384130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b9cdb1b9b18a860981f358d0feae0c742754e22ab591f13d98b86a0bd908ccf

Aliases

arxiv: cond-mat/9908278 · arxiv_version: cond-mat/9908278v1 · doi: 10.48550/arxiv.cond-mat/9908278 · pith_short_12: LOONWG43DCUG · pith_short_16: LOONWG43DCUGBGA7 · pith_short_8: LOONWG43

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/LOONWG43DCUGBGA7GWGQ72XAY5 \
  | 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: 5b9cdb1b9b18a860981f358d0feae0c742754e22ab591f13d98b86a0bd908ccf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "602be1ab7f3c9fb9313d2f8ba2728597c46bf4691af5dad3dc3d7c8bc6faaa13",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1999-08-19T18:27:07Z",
    "title_canon_sha256": "6b2f178dcbfec7f84152d02a428c04a47194cf51267441be46da00683bb5eb00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9908278",
    "kind": "arxiv",
    "version": 1
  }
}