Pith Number

pith:CVZDBRE2

pith:2007:CVZDBRE2DWWKK6PPQQJCVQF7ZF

not attested not anchored not stored refs pending

Two energy scales and close relationship between the pseudogap and superconductivity in underdoped cuprate superconductors

Hai-Hu Wen, Xiao-Gang Wen

arxiv:0708.3878 v2 · 2007-08-29 · 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{CVZDBRE2DWWKK6PPQQJCVQF7ZF}

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	2026-07-04T15:04:32.810098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

157230c49a1daca579ef84122ac0bfc9533f62deb68766dddf20dd536b3fdd6e

Aliases

arxiv: 0708.3878 · arxiv_version: 0708.3878v2 · doi: 10.48550/arxiv.0708.3878 · pith_short_12: CVZDBRE2DWWK · pith_short_16: CVZDBRE2DWWKK6PP · pith_short_8: CVZDBRE2

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/CVZDBRE2DWWKK6PPQQJCVQF7ZF \
  | 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: 157230c49a1daca579ef84122ac0bfc9533f62deb68766dddf20dd536b3fdd6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f078de71aabdfd32c85e3959985432a9e50537bccc53b2ad2b00d9844043c7a",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2007-08-29T03:14:56Z",
    "title_canon_sha256": "8693352d1d2ac5087a39621dec3eea4bd3aa9512af389eef18bc51ffd8bd57e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.3878",
    "kind": "arxiv",
    "version": 2
  }
}