Pith Number

pith:REH3JAHX

pith:2000:REH3JAHXZKLD6X3MIFIII7OFIB

not attested not anchored not stored refs pending

Absence of residual quasiparticle conductivity in the underdoped cuprate YBa2Cu4O8

C. Urano, H. Takagi, K. Behnia, N.E. Hussey, S. Adachi, S. Nakamae, S. Tajima

arxiv:cond-mat/0004094 v3 · 2000-04-06 · 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{REH3JAHXZKLD6X3MIFIII7OFIB}

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	2026-07-04T16:18:19.080034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

890fb480f7ca963f5f6c4150847dc5405b4943d78e02f7b9feb5d8e6e9c2c55d

Aliases

arxiv: cond-mat/0004094 · arxiv_version: cond-mat/0004094v3 · doi: 10.48550/arxiv.cond-mat/0004094 · pith_short_12: REH3JAHXZKLD · pith_short_16: REH3JAHXZKLD6X3M · pith_short_8: REH3JAHX

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/REH3JAHXZKLD6X3MIFIII7OFIB \
  | 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: 890fb480f7ca963f5f6c4150847dc5405b4943d78e02f7b9feb5d8e6e9c2c55d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dec9b660b83a5075c00d2a096b7df8cb77f11f4019beb6e16b947001e4121f3e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2000-04-06T11:31:03Z",
    "title_canon_sha256": "9d920a672bf4bc9d6f6e465c2f9cb60b4b2bdb4234aa854c1430a400432a97fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0004094",
    "kind": "arxiv",
    "version": 3
  }
}