Pith Number

pith:3EZNQK7C

pith:2011:3EZNQK7C3BXRVUQRGGGRYAWOXF

not attested not anchored not stored refs pending

The Two Component Optical Conductivity in the Cuprates: A Necessary Consequence of Preformed Pairs

Chih-Chun Chien, Dan Wulin, Hao Guo, K. Levin

arxiv:1108.4375 v3 · 2011-08-22 · 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{3EZNQK7C3BXRVUQRGGGRYAWOXF}

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	2026-05-18T03:23:21.767543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d932d82be2d86f1ad211318d1c02ceb95aba7afcce605b35119a5bacc46e2911

Aliases

arxiv: 1108.4375 · arxiv_version: 1108.4375v3 · doi: 10.48550/arxiv.1108.4375 · pith_short_12: 3EZNQK7C3BXR · pith_short_16: 3EZNQK7C3BXRVUQR · pith_short_8: 3EZNQK7C

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/3EZNQK7C3BXRVUQRGGGRYAWOXF \
  | 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: d932d82be2d86f1ad211318d1c02ceb95aba7afcce605b35119a5bacc46e2911

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33b1b8ea00837fb0c8cdba317f95fab3de06f37c62c0beaaa17e9ebbe2a3aed2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2011-08-22T16:41:54Z",
    "title_canon_sha256": "b1991d65d9caefa8f7245fdb679f0d1f3cce11aed3b9326166a4d60916f77e3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4375",
    "kind": "arxiv",
    "version": 3
  }
}