Pith Number

pith:ADT3AZBH

pith:2019:ADT3AZBH3XD3H2AI23ZHZZ732X

not attested not anchored not stored refs pending

Superconducting Praseodymium Superhydrides

Artem R. Oganov, Bingbing Liu, Defang Duan, Di Zhou, Dmitrii Semenok, Hui Xie, Tian Cui, Wuhao Chen, Xiaoli Huang, Xin Li

arxiv:1904.06643 v2 · 2019-04-14 · cond-mat.mtrl-sci · 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{ADT3AZBH3XD3H2AI23ZHZZ732X}

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	2026-07-05T00:33:11.764374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00e7b06427ddc7b3e808d6f27ce7fbd5db26be17118a5130d84b6e6bd62c28be

Aliases

arxiv: 1904.06643 · arxiv_version: 1904.06643v2 · doi: 10.48550/arxiv.1904.06643 · pith_short_12: ADT3AZBH3XD3 · pith_short_16: ADT3AZBH3XD3H2AI · pith_short_8: ADT3AZBH

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/ADT3AZBH3XD3H2AI23ZHZZ732X \
  | 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: 00e7b06427ddc7b3e808d6f27ce7fbd5db26be17118a5130d84b6e6bd62c28be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93f72039d3c473fb4a8d9d93d664ac1ae154a755b0513dd038d0a8199567ac54",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-04-14T07:24:31Z",
    "title_canon_sha256": "61624531d8899bf74dbd24d6a5ef0e871506eb1019c60bf080bcb94af1715963"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06643",
    "kind": "arxiv",
    "version": 2
  }
}