Pith Number

pith:3I4K5LFP

pith:2010:3I4K5LFPL7AB3FJQJUABYCJ5V3

not attested not anchored not stored refs pending

Multi-gap superconductivity in a BaFe1.84Co0.16As2 film from optical measurements at terahertz frequencies

A. Perucchi, C.B. Eom, C. Marini, C.W. Bark, E.E. Hellstrom, I. Pallecchi, J.D. Weiss, J. Jiang, L. Baldassarre, M. Putti, P. Dore, S. Lee, S. Lupi

arxiv:1003.0565 v3 · 2010-03-02 · 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{3I4K5LFPL7AB3FJQJUABYCJ5V3}

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	2026-05-18T04:38:17.176331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da38aeacaf5fc01d95304d001c093daed6d39ddda0e59c340ec06c994986d4ee

Aliases

arxiv: 1003.0565 · arxiv_version: 1003.0565v3 · doi: 10.48550/arxiv.1003.0565 · pith_short_12: 3I4K5LFPL7AB · pith_short_16: 3I4K5LFPL7AB3FJQ · pith_short_8: 3I4K5LFP

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/3I4K5LFPL7AB3FJQJUABYCJ5V3 \
  | 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: da38aeacaf5fc01d95304d001c093daed6d39ddda0e59c340ec06c994986d4ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74464f77efbcd18d4f356f93a6e9da2db0dd3be8386cdee007a972e0b76cfa32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2010-03-02T11:50:53Z",
    "title_canon_sha256": "8b5cccddfd6a3495b08bcb87381f539101eed7dedcddfb96a4fb90db44be2d58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.0565",
    "kind": "arxiv",
    "version": 3
  }
}