Pith Number

pith:25ZGGOS4

pith:2018:25ZGGOS42MNEIK2JZN54BNDJY6

not attested not anchored not stored refs pending

Ab initio investigation on the experimental observation of metallic hydrogen

En-Ge Wang, Xiaowei Zhang, Xin-Zheng Li

arxiv:1805.01625 v1 · 2018-05-04 · 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{25ZGGOS42MNEIK2JZN54BNDJY6}

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	2026-05-18T00:02:34.826724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d772633a5cd31a442b49cb7bc0b469c789ed80ee70bbcd6cb971039fcc0ab8b4

Aliases

arxiv: 1805.01625 · arxiv_version: 1805.01625v1 · doi: 10.48550/arxiv.1805.01625 · pith_short_12: 25ZGGOS42MNE · pith_short_16: 25ZGGOS42MNEIK2J · pith_short_8: 25ZGGOS4

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/25ZGGOS42MNEIK2JZN54BNDJY6 \
  | 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: d772633a5cd31a442b49cb7bc0b469c789ed80ee70bbcd6cb971039fcc0ab8b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38ccd813fb90365185180d0ecf9d239b95a78f49e1d7d676d693f8835b353d36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-05-04T06:55:05Z",
    "title_canon_sha256": "756ddc69158b9888a32d907fa4a40e579a7188133f68049d661eb481e609c7bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01625",
    "kind": "arxiv",
    "version": 1
  }
}