Pith Number

pith:N4SB5MAA

pith:2007:N4SB5MAAR2VEHWDIBBVTTB2J3I

not attested not anchored not stored refs pending

Quantum Oscillations in the Underdoped Cuprate YBa2Cu4O8

B. Dabrowski, C. H. Mielke, E. A. Yelland, F. F. Balakirev, J. R. Cooper, J. Singleton, N. Harrison

arxiv:0707.0057 v2 · 2007-06-30 · cond-mat.supr-con · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4SB5MAAR2VEHWDIBBVTTB2J3I}

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	2026-07-04T15:09:14.556454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f241eb0008eaa43d868086b398749da144cc2c323b4fff67132c79df3da4f53

Aliases

arxiv: 0707.0057 · arxiv_version: 0707.0057v2 · doi: 10.48550/arxiv.0707.0057 · pith_short_12: N4SB5MAAR2VE · pith_short_16: N4SB5MAAR2VEHWDI · pith_short_8: N4SB5MAA

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/N4SB5MAAR2VEHWDIBBVTTB2J3I \
  | 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: 6f241eb0008eaa43d868086b398749da144cc2c323b4fff67132c79df3da4f53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ed288350663ee83ce55c7bf0aa570d366254235e661c00d155ebc7e485d8bea",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2007-06-30T11:12:19Z",
    "title_canon_sha256": "57c7df609d4940358a76fb353ac9c40a2ad229c8e9d230d25beaf821b513a0bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.0057",
    "kind": "arxiv",
    "version": 2
  }
}