Pith Number

pith:4E7OHYAY

pith:2013:4E7OHYAYT5HN7K5ZRUDYACXOPL

not attested not anchored not stored refs pending

Classical and quantum ordering of protons in cold solid hydrogen under megabar pressures

Angelos Michaelides, Brent Walker, Chris J. Pickard, Matthew I. J. Probert, Richard J. Needs, Xin-Zheng Li

arxiv:1302.0062 v1 · 2013-02-01 · 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{4E7OHYAYT5HN7K5ZRUDYACXOPL}

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	2026-05-18T01:00:20.776112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e13ee3e0189f4edfabb98d07800aee7ad5de011da20d1d5e452834bf6bac72fe

Aliases

arxiv: 1302.0062 · arxiv_version: 1302.0062v1 · doi: 10.48550/arxiv.1302.0062 · pith_short_12: 4E7OHYAYT5HN · pith_short_16: 4E7OHYAYT5HN7K5Z · pith_short_8: 4E7OHYAY

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/4E7OHYAYT5HN7K5ZRUDYACXOPL \
  | 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: e13ee3e0189f4edfabb98d07800aee7ad5de011da20d1d5e452834bf6bac72fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e0df9df3cc9a07bf2a5d3fca08bd169e51d18f593131a2c61481a07b75c3596",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-02-01T03:21:04Z",
    "title_canon_sha256": "466c1f10f421019f440b625c93e594cbd0f01e23299ef25f08f287531136d7f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0062",
    "kind": "arxiv",
    "version": 1
  }
}