Pith Number

pith:WG4DVUFJ

pith:2016:WG4DVUFJBDN2SRUXPRQNDFY3ZE

not attested not anchored not stored refs pending

Superconductivity in KCa$_2$Fe$_4$As$_4$F$_2$ with Separate Double Fe$_2$As$_2$ Layers

Abduweli Ablimit, Chao-Yang He, Chun-Mu Feng, Guang-han Cao, Si-Qi Wu, Yi Liu, Zhang-Tu Tang, Zhi-Cheng Wang

arxiv:1607.01611 v1 · 2016-07-06 · cond-mat.supr-con · cond-mat.str-el

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WG4DVUFJBDN2SRUXPRQNDFY3ZE}

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	2026-05-18T01:11:25.807152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1b83ad0a908dba946977c60d1971bc9081b982355707a634ec74b0e62c78227

Aliases

arxiv: 1607.01611 · arxiv_version: 1607.01611v1 · doi: 10.48550/arxiv.1607.01611 · pith_short_12: WG4DVUFJBDN2 · pith_short_16: WG4DVUFJBDN2SRUX · pith_short_8: WG4DVUFJ

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/WG4DVUFJBDN2SRUXPRQNDFY3ZE \
  | 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: b1b83ad0a908dba946977c60d1971bc9081b982355707a634ec74b0e62c78227

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cb7ce442eefef5fe4953984af25f2d569500b96ad95518f86e012edb6a99030",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2016-07-06T13:34:02Z",
    "title_canon_sha256": "681a57d880c6bf6447cb79fb165a6136cbfd881db658a100024bc1de28b468c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01611",
    "kind": "arxiv",
    "version": 1
  }
}