Pith Number

pith:GHPKYEV4

pith:2009:GHPKYEV4IOIRATGGC5ZLD2IK5Z

not attested not anchored not stored refs pending

Theoretical investigation of methane under pressure

Davide Donadio, Detlef Hohl, Giulia Galli, Leonardo Spanu

arxiv:0903.4926 v1 · 2009-03-28 · cond-mat.mtrl-sci · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GHPKYEV4IOIRATGGC5ZLD2IK5Z}

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	2026-05-18T02:14:18.907678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31deac12bc4391104cc61772b1e90aee7b9599006b3450e50e9439ad7aee1a14

Aliases

arxiv: 0903.4926 · arxiv_version: 0903.4926v1 · doi: 10.48550/arxiv.0903.4926 · pith_short_12: GHPKYEV4IOIR · pith_short_16: GHPKYEV4IOIRATGG · pith_short_8: GHPKYEV4

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/GHPKYEV4IOIRATGGC5ZLD2IK5Z \
  | 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: 31deac12bc4391104cc61772b1e90aee7b9599006b3450e50e9439ad7aee1a14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "342bf5e956f9bab84fe68f6d03b625e7dd75e862a8f187fd246f577b311c5660",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-03-28T00:14:05Z",
    "title_canon_sha256": "2244a1e95d247826ae7dc5b36b2b2b5898727a15069f843cbc7b878199714416"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4926",
    "kind": "arxiv",
    "version": 1
  }
}