Pith Number

pith:32IOK25W

pith:2011:32IOK25WQU3R3ULTBWN4JLFLVK

not attested not anchored not stored refs pending

Predicted formation of superconducting platinum-hydride crystals under pressure in the presence of molecular hydrogen

Chris J. Pickard, Duck Young Kim, R. Ahuja, Ralph H. Scheicher, R. J. Needs

arxiv:1104.2313 v3 · 2011-04-12 · cond-mat.supr-con · 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{32IOK25WQU3R3ULTBWN4JLFLVK}

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	2026-05-18T02:22:09.618268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de90e56bb685371dd1730d9bc4acabaab597fc366ce3ee153bd9649eed4b2d84

Aliases

arxiv: 1104.2313 · arxiv_version: 1104.2313v3 · doi: 10.48550/arxiv.1104.2313 · pith_short_12: 32IOK25WQU3R · pith_short_16: 32IOK25WQU3R3ULT · pith_short_8: 32IOK25W

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/32IOK25WQU3R3ULTBWN4JLFLVK \
  | 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: de90e56bb685371dd1730d9bc4acabaab597fc366ce3ee153bd9649eed4b2d84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d85f3093246d687aad48fddffe2ede0599e188ffbbb7a9386607af095deec935",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2011-04-12T19:40:30Z",
    "title_canon_sha256": "fb5687e6ba2f3ef939ee3da0de4e9a9775f9aa02a3307107e021e43d2dd82770"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2313",
    "kind": "arxiv",
    "version": 3
  }
}