Pith Number

pith:WHMAP5BQ

pith:2015:WHMAP5BQ5JTUJ5ABFU2IMHQMIQ

not attested not anchored not stored refs pending

Exploration of new superconductors and functional materials and fabrication of superconducting tapes and wires of iron pnictides

Eiji Takayama-Muromachi, Hidenori Hiramatsu, Hideo Hosono, Hiroshi Kageyama, Hiroshi Kumakura, Keiichi Tanabe, Minoru Nahara, Satoru Fujitsu, Shoji Yamanaka

arxiv:1505.02240 v1 · 2015-05-09 · 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{WHMAP5BQ5JTUJ5ABFU2IMHQMIQ}

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	2026-05-18T02:16:19.490413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1d807f430ea6744f4012d34861e0c44241f181eb76fe35386d1518ed72a51d3

Aliases

arxiv: 1505.02240 · arxiv_version: 1505.02240v1 · doi: 10.48550/arxiv.1505.02240 · pith_short_12: WHMAP5BQ5JTU · pith_short_16: WHMAP5BQ5JTUJ5AB · pith_short_8: WHMAP5BQ

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/WHMAP5BQ5JTUJ5ABFU2IMHQMIQ \
  | 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: b1d807f430ea6744f4012d34861e0c44241f181eb76fe35386d1518ed72a51d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1afa95a8de28052fb808fc23bc597e63e1a345fc333565325cfbe824f67405b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2015-05-09T08:17:23Z",
    "title_canon_sha256": "b9d3131faadfc9d7156a371eb2806f5ef1122af3e67cd7344395efa1699a0d5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02240",
    "kind": "arxiv",
    "version": 1
  }
}