Pith Number

pith:Q3PRK6XD

pith:2013:Q3PRK6XD3VMKA6EW4HMWE6WJU2

not attested not anchored not stored refs pending

Discovery of a superhard iron tetraboride superconductor

Aleksey N. Kolmogorov, Alexander A. Tsirlin, Artem M. Abakumov, Asta Richter, Deepa Kasinathan, Dmitry Batuk, Elena Bykova, Gustaaf Van Tendeloo, Huiyang Gou, Leonid Dubrovinsky, Marco Merlini, Michael Hanfland, Natalia Dubrovinskaia, Yoichi Nakajima

arxiv:1304.5106 v1 · 2013-04-18 · 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{Q3PRK6XD3VMKA6EW4HMWE6WJU2}

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	2026-05-18T01:50:31.165032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86df157ae3dd58a07896e1d9627ac9a6bed839f6072613e000010aef3fa8cbb3

Aliases

arxiv: 1304.5106 · arxiv_version: 1304.5106v1 · doi: 10.48550/arxiv.1304.5106 · pith_short_12: Q3PRK6XD3VMK · pith_short_16: Q3PRK6XD3VMKA6EW · pith_short_8: Q3PRK6XD

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/Q3PRK6XD3VMKA6EW4HMWE6WJU2 \
  | 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: 86df157ae3dd58a07896e1d9627ac9a6bed839f6072613e000010aef3fa8cbb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b9e6df52f1c83b93d0ee367dd2782d60e632fb6db67e663b0cc4caa6a2d4104",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-04-18T12:32:59Z",
    "title_canon_sha256": "3adfdc0745c4e08f7a48fd3ee4aed2b6fe198b1c99ee8652ea21aa8b1d7fbaeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5106",
    "kind": "arxiv",
    "version": 1
  }
}