Pith Number

pith:H5WZPKZV

pith:2019:H5WZPKZV2FODCAZV3LIO2PIRRZ

not attested not anchored not stored refs pending

Formation of interstellar propanal and 1-propanol ice: a pathway involving solid-state CO hydrogenation

D. Qasim, E. F. van Dishoeck, G. Fedoseev, H. Linnartz, J. He, K.-J. Chuang, S. Ioppolo, T. Lamberts, V. Taquet

arxiv:1905.07801 v3 · 2019-05-19 · astro-ph.SR · astro-ph.GA · 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{H5WZPKZV2FODCAZV3LIO2PIRRZ}

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	2026-05-17T23:42:18.901265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f6d97ab35d15c310335dad0ed3d118e7d62c2bc5fbcaa69598e6b504088f9fc

Aliases

arxiv: 1905.07801 · arxiv_version: 1905.07801v3 · doi: 10.48550/arxiv.1905.07801 · pith_short_12: H5WZPKZV2FOD · pith_short_16: H5WZPKZV2FODCAZV · pith_short_8: H5WZPKZV

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/H5WZPKZV2FODCAZV3LIO2PIRRZ \
  | 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: 3f6d97ab35d15c310335dad0ed3d118e7d62c2bc5fbcaa69598e6b504088f9fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0d9315ef321f684e8c8bf5db5eaf229fcd75bea629e6bf498338b217c464f1d",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-05-19T20:07:06Z",
    "title_canon_sha256": "7718fd64991161299d2c00a419255ed83df7bad863705baeb8ae712dc5b907bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07801",
    "kind": "arxiv",
    "version": 3
  }
}