Pith Number

pith:OBSFKZFN

pith:2011:OBSFKZFNP74UDMHXDZVCKFE2AL

not attested not anchored not stored refs pending

Upper fields and critical current density of K0.58Fe1.56Se2 single crystals grown by one step technique

Chao Yao, Dongliang Wang, Lei Wang, Xianping Zhang, Yanpeng Qi, Yanwei Ma, Zhaoshun Gao

arxiv:1103.2904 v2 · 2011-03-15 · 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{OBSFKZFNP74UDMHXDZVCKFE2AL}

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	2026-05-18T04:26:45.074758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70645564ad7ff941b0f71e6a25149a02faa4c15ef5fdbf0d62538e6db3627b09

Aliases

arxiv: 1103.2904 · arxiv_version: 1103.2904v2 · doi: 10.48550/arxiv.1103.2904 · pith_short_12: OBSFKZFNP74U · pith_short_16: OBSFKZFNP74UDMHX · pith_short_8: OBSFKZFN

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/OBSFKZFNP74UDMHXDZVCKFE2AL \
  | 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: 70645564ad7ff941b0f71e6a25149a02faa4c15ef5fdbf0d62538e6db3627b09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3744938b374dd6269e692f7b186d65e08a7deef22f66f293e4a9e77474905796",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2011-03-15T13:42:50Z",
    "title_canon_sha256": "a2a6dee6b755300492e15b20cda30ed7376c41e734ce71469f7e39ae96c55d4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2904",
    "kind": "arxiv",
    "version": 2
  }
}