Pith Number

pith:GERVVET4

pith:2013:GERVVET4CBCUI2UF4HXF3MPJH5

not attested not anchored not stored refs pending

Metal hydride material requirements for automotive hydrogen storage systems

Bart A. van Hassel, Claudio Corgnale, Jose Miguel Pasini, Kevin L. Simmons, Sudarshan Kumar, Theodore Motyka

arxiv:1307.0890 v1 · 2013-07-03 · 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{GERVVET4CBCUI2UF4HXF3MPJH5}

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	2026-05-18T03:18:39.734873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31235a927c1045446a85e1ee5db1e93f67d6a85b295e5caf1cbd0479bcd3cea7

Aliases

arxiv: 1307.0890 · arxiv_version: 1307.0890v1 · doi: 10.48550/arxiv.1307.0890 · pith_short_12: GERVVET4CBCU · pith_short_16: GERVVET4CBCUI2UF · pith_short_8: GERVVET4

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/GERVVET4CBCUI2UF4HXF3MPJH5 \
  | 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: 31235a927c1045446a85e1ee5db1e93f67d6a85b295e5caf1cbd0479bcd3cea7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41287aec022f8dcc8c93ecba91a5dcc5d04738c23767156ce90c82dfa49d95b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-07-03T01:00:46Z",
    "title_canon_sha256": "0d448139f61665fdfe9a55b549706c779c124d489fd8cc75a8a868fd88e96f10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0890",
    "kind": "arxiv",
    "version": 1
  }
}