Pith Number

pith:KAA4COP6

pith:2008:KAA4COP636SIWTIXOOG6K6EDS7

not attested not anchored not stored refs pending

Superconductivity in hole-doped (Sr$_{1-x}$K$_x$)Fe$_2$As$_2$

G. F. Chen, G. Li, J. Dong, J. L. Luo, N. L. Wang, P. Zheng, W. Z. Hu, X. D. Zhang, Z. Li

arxiv:0806.1209 v1 · 2008-06-06 · 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{KAA4COP636SIWTIXOOG6K6EDS7}

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	2026-07-04T15:13:22.084957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5001c139fedfa48b4d17738de5788397d4b14820fb50cb5035c17189c5ee0ce3

Aliases

arxiv: 0806.1209 · arxiv_version: 0806.1209v1 · doi: 10.48550/arxiv.0806.1209 · pith_short_12: KAA4COP636SI · pith_short_16: KAA4COP636SIWTIX · pith_short_8: KAA4COP6

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/KAA4COP636SIWTIXOOG6K6EDS7 \
  | 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: 5001c139fedfa48b4d17738de5788397d4b14820fb50cb5035c17189c5ee0ce3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f59b9b5f6826704a035a2fcf7c4cc99f482730d7032e4c56e570426735c32a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2008-06-06T17:38:10Z",
    "title_canon_sha256": "bda0230c9da3eaaa07ad9a618dbb8f961f79e969f33180e65efb868d3b9423b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.1209",
    "kind": "arxiv",
    "version": 1
  }
}