Pith Number

pith:MHZTMQK2

pith:2008:MHZTMQK2ZMZOQSUK3QYIPA3P5O

not attested not anchored not stored refs pending

Optical spectroscopy of superconducting Ba{0.55}K{0.45}Fe2As2: evidence for strong coupling to low energy bosons

D. Huvonen, J.P. Carbotte, J. Yang, N. Ni, P. C. Canfield, S. L. Budko, T. Room, T. Timusk, U. Nagel

arxiv:0807.1040 v1 · 2008-07-07 · 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{MHZTMQK2ZMZOQSUK3QYIPA3P5O}

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	2026-05-18T03:24:18.469121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61f336415acb32e84a8adc3087836febb05a5b47cb4ceb4f42020eae3fd010e4

Aliases

arxiv: 0807.1040 · arxiv_version: 0807.1040v1 · doi: 10.48550/arxiv.0807.1040 · pith_short_12: MHZTMQK2ZMZO · pith_short_16: MHZTMQK2ZMZOQSUK · pith_short_8: MHZTMQK2

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/MHZTMQK2ZMZOQSUK3QYIPA3P5O \
  | 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: 61f336415acb32e84a8adc3087836febb05a5b47cb4ceb4f42020eae3fd010e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66fe07854aed6378a523ef839baa817ed179c0ad36c5eabceeb0951d5ff3459d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2008-07-07T15:29:09Z",
    "title_canon_sha256": "bf7ff1f16ee85c408a00c70ddf9a4134fe0a36852be2d28a15588d1997c1c8bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.1040",
    "kind": "arxiv",
    "version": 1
  }
}