Pith Number

pith:DFBXHGQF

pith:2011:DFBXHGQFLN5UFO62KEJCMMZ4GI

not attested not anchored not stored refs pending

Superfluid density in Bi2Sr2CaCu2O8+x from optimal doping to severe underdoping and its implications

A. Kanigel, A. McCray, Jie Yong, M. Hinton, M. Naamneh, M. Randeria, T.R. Lemberger

arxiv:1109.4549 v1 · 2011-09-21 · 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{DFBXHGQFLN5UFO62KEJCMMZ4GI}

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	2026-05-18T04:12:34.482639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1943739a055b7b42bbda511226333c3216800254b9f4053ce5815c85186aa801

Aliases

arxiv: 1109.4549 · arxiv_version: 1109.4549v1 · doi: 10.48550/arxiv.1109.4549 · pith_short_12: DFBXHGQFLN5U · pith_short_16: DFBXHGQFLN5UFO62 · pith_short_8: DFBXHGQF

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/DFBXHGQFLN5UFO62KEJCMMZ4GI \
  | 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: 1943739a055b7b42bbda511226333c3216800254b9f4053ce5815c85186aa801

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cd47a78a4f307476efb626d9c445ecdcf1a761ab584106f6b175eaa40f6ca55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2011-09-21T14:52:44Z",
    "title_canon_sha256": "9f38b9efd8d876acfae03c6de5260da1a6f1b5ce2996fa8df82c8c5936ec2b2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4549",
    "kind": "arxiv",
    "version": 1
  }
}