Pith Number

pith:KZ3JM6HY

pith:2016:KZ3JM6HYV3JH37BCZTQMP473XE

not attested not anchored not stored refs pending

Methylacetylene (CH3CCH) and propene (C3H6) formation in cold dense clouds: a case of dust grain chemistry

Jean-Christophe Loison, Kevin M. Hickson, Valentine Wakelam

arxiv:1603.02703 v1 · 2016-03-08 · 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{KZ3JM6HYV3JH37BCZTQMP473XE}

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	2026-05-18T01:19:20.009345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56769678f8aed27dfc22cce0c7f3fbb9117ea3f6d8149d26e723d4f24eba9aa6

Aliases

arxiv: 1603.02703 · arxiv_version: 1603.02703v1 · doi: 10.48550/arxiv.1603.02703 · pith_short_12: KZ3JM6HYV3JH · pith_short_16: KZ3JM6HYV3JH37BC · pith_short_8: KZ3JM6HY

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/KZ3JM6HYV3JH37BCZTQMP473XE \
  | 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: 56769678f8aed27dfc22cce0c7f3fbb9117ea3f6d8149d26e723d4f24eba9aa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f41fc1ae9f235b650e010334056545d8cddaca04daeef4d6c74c0329276aa931",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-03-08T21:10:04Z",
    "title_canon_sha256": "df30be2064c421916fdafc2c5156b72835145a9c9b31019bd3301cba40771075"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02703",
    "kind": "arxiv",
    "version": 1
  }
}