Pith Number

pith:PE6NWBLC

pith:2017:PE6NWBLCE5VXY5UT4TTE4DOLYD

not attested not anchored not stored refs pending

Superconductivity at 33 - 37 K in $ALn_2$Fe$_4$As$_4$O$_2$ ($A$ = K and Cs; $Ln$ = Lanthanides)

Chao-Yang He, Guang-han Cao, Si-Qi Wu, Yi Liu, Zhang-Tu Tang, Zhi-Cheng Wang

arxiv:1704.01488 v1 · 2017-04-05 · cond-mat.supr-con · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PE6NWBLCE5VXY5UT4TTE4DOLYD}

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	2026-05-18T00:35:22.815563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

793cdb0562276b7c7693e4e64e0dcbc0e95c761db50b617258baf8560f41ed8f

Aliases

arxiv: 1704.01488 · arxiv_version: 1704.01488v1 · doi: 10.48550/arxiv.1704.01488 · pith_short_12: PE6NWBLCE5VX · pith_short_16: PE6NWBLCE5VXY5UT · pith_short_8: PE6NWBLC

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/PE6NWBLCE5VXY5UT4TTE4DOLYD \
  | 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: 793cdb0562276b7c7693e4e64e0dcbc0e95c761db50b617258baf8560f41ed8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f226d68f8084b99fd9411b08744dc734aba6930e1940b1c13ed0984d34a8ea59",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2017-04-05T15:30:50Z",
    "title_canon_sha256": "78cb800bf961794bc3b89f17123f0a0ef7fb5e12d3d71cc2c5d28fd453b3f62b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01488",
    "kind": "arxiv",
    "version": 1
  }
}