Pith Number

pith:I52WFSLZ

pith:2019:I52WFSLZAJI4VS5E57VTJTRBYB

not attested not anchored not stored refs pending

Vacuum ultraviolet photodesorption and photofragmentation of formaldehyde-containing ices

Claire Romanzin, Evelyne Roueff, Franck Le Petit, G\'eraldine F\'eraud, Jean-Hugues Fillion, Laurent Philippe, Mathieu Bertin, Pascal Jeseck, R\'emi Dupuy, Xavier Michaut

arxiv:1905.08223 v1 · 2019-05-20 · astro-ph.GA · astro-ph.SR · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I52WFSLZAJI4VS5E57VTJTRBYB}

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	2026-05-17T23:45:47.287365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

477562c9790251cacba4efeb34ce21c05ca294738cafc76179876f64058014c2

Aliases

arxiv: 1905.08223 · arxiv_version: 1905.08223v1 · doi: 10.48550/arxiv.1905.08223 · pith_short_12: I52WFSLZAJI4 · pith_short_16: I52WFSLZAJI4VS5E · pith_short_8: I52WFSLZ

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/I52WFSLZAJI4VS5E57VTJTRBYB \
  | 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: 477562c9790251cacba4efeb34ce21c05ca294738cafc76179876f64058014c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ed3e34933f9a5e208139205df9aea713c2aaa0caab2bf3648ab6629fae808f9",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-20T17:25:16Z",
    "title_canon_sha256": "df2822c075aa53923114088af616a350c3df0e7d13db1018a65168094b1d9d59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.08223",
    "kind": "arxiv",
    "version": 1
  }
}