Pith Number

pith:CEDZFJM2

pith:2025:CEDZFJM2TCS3NMXXRXXAPQYP4O

not attested not anchored not stored refs pending

Drastic softening of Pd nanoparticles induced by hydrogen cycling

Astrid Pundt, Christoph Kirchlechner, Eugen Rabkin, Jonathan Zimmerman, Maria Vrellou, Stefan Wagner

arxiv:2504.04776 v1 · 2025-04-07 · 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{CEDZFJM2TCS3NMXXRXXAPQYP4O}

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	2026-07-05T10:45:29.521458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

110792a59a98a5b6b2f78dee07c30fe3849e97520ec1ee9969fb43cf6679e489

Aliases

arxiv: 2504.04776 · arxiv_version: 2504.04776v1 · doi: 10.48550/arxiv.2504.04776 · pith_short_12: CEDZFJM2TCS3 · pith_short_16: CEDZFJM2TCS3NMXX · pith_short_8: CEDZFJM2

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/CEDZFJM2TCS3NMXXRXXAPQYP4O \
  | 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: 110792a59a98a5b6b2f78dee07c30fe3849e97520ec1ee9969fb43cf6679e489

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8610224f9188d71eba50582cbe384e2adecd266601545566667be14689bd706",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2025-04-07T07:09:10Z",
    "title_canon_sha256": "f51916ba06884490a96f29ae587c8f5d4e1e2a5591a3c1d9d09abda09aebf792"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.04776",
    "kind": "arxiv",
    "version": 1
  }
}