Pith Number

pith:H7EPP3Z2

pith:1999:H7EPP3Z2EITG4FPN6A7WDKROGE

not attested not anchored not stored refs pending

On the determination of the Fermi surface in high-Tc superconductors by angle-resolved photoemission spectroscopy

A. Kaminski, H. Ding, H.M. Fretwell, I. Chong, J. C. Campuzano, J. Mesot, K. Kadowaki, M. Randeria, M. R. Norman, M. Takano, T. Mochiku, T. Sato, T. Takahashi, T. Takeuchi, T. Terashima, T. Yokoya

arxiv:cond-mat/9910430 v2 · 1999-10-26 · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7EPP3Z2EITG4FPN6A7WDKROGE}

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	2026-07-04T16:13:26.697647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fc8f7ef3a22266e15edf03f61aa2e311eddbe60fbe24b46da3fd05b7c6fedab

Aliases

arxiv: cond-mat/9910430 · arxiv_version: cond-mat/9910430v2 · doi: 10.48550/arxiv.cond-mat/9910430 · pith_short_12: H7EPP3Z2EITG · pith_short_16: H7EPP3Z2EITG4FPN · pith_short_8: H7EPP3Z2

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/H7EPP3Z2EITG4FPN6A7WDKROGE \
  | 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: 3fc8f7ef3a22266e15edf03f61aa2e311eddbe60fbe24b46da3fd05b7c6fedab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79ab336fba5084a455ad5e5bf8eb57591906c8d0a54e8474a044fa0438ba5a57",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "1999-10-26T19:27:01Z",
    "title_canon_sha256": "e7aca4c233b211f7d68701372ea087dd6c13cf948b6553e092c311dfb3e5c3b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9910430",
    "kind": "arxiv",
    "version": 2
  }
}