Pith Number

pith:5TG5XPWG

pith:2009:5TG5XPWGBMHHOJHAX52276Z7KU

not attested not anchored not stored refs pending

Thermodynamics of hydrogen vacancies in MgH2 from first-principles calculations and grand-canonical statistical mechanics

K. C. Smith, N. H. de Leeuw, R. Grau-Crespo, T. S. Fisher, U. V. Waghmare

arxiv:0910.4331 v1 · 2009-10-22 · cond-mat.mtrl-sci · cond-mat.stat-mech

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5TG5XPWGBMHHOJHAX52276Z7KU}

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	2026-05-18T02:11:12.636832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eccddbbec60b0e7724e0bf75affb3f550b9d8a3870b1b33f3beaf24dbde3d7cc

Aliases

arxiv: 0910.4331 · arxiv_version: 0910.4331v1 · doi: 10.48550/arxiv.0910.4331 · pith_short_12: 5TG5XPWGBMHH · pith_short_16: 5TG5XPWGBMHHOJHA · pith_short_8: 5TG5XPWG

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/5TG5XPWGBMHHOJHAX52276Z7KU \
  | 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: eccddbbec60b0e7724e0bf75affb3f550b9d8a3870b1b33f3beaf24dbde3d7cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "951b7dc52bf5237230b9d012e97cf8540916738aff72fb6a77da3c1505ef7e45",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-10-22T14:10:11Z",
    "title_canon_sha256": "89b9ec5a721728312e59697176f2a5c1d3f3ff6f7151c3552a86d72fea158105"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4331",
    "kind": "arxiv",
    "version": 1
  }
}