Pith Number

pith:4VVAXXJ6

pith:2013:4VVAXXJ6ZZZNRUKQTMTYARYHWB

not attested not anchored not stored refs pending

An improved chemical scheme for the reactions of atomic oxygen and simple unsaturated hydrocarbons - implications for star-forming regions

Angela Occhiogrosso, Nadia Balucani, Serena Viti

arxiv:1304.5899 v1 · 2013-04-22 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VVAXXJ6ZZZNRUKQTMTYARYHWB}

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	2026-05-18T01:50:23.737299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e56a0bdd3ece72d8d1509b27804707b0535ae6405d316028790024a32134ae9a

Aliases

arxiv: 1304.5899 · arxiv_version: 1304.5899v1 · doi: 10.48550/arxiv.1304.5899 · pith_short_12: 4VVAXXJ6ZZZN · pith_short_16: 4VVAXXJ6ZZZNRUKQ · pith_short_8: 4VVAXXJ6

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/4VVAXXJ6ZZZNRUKQTMTYARYHWB \
  | 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: e56a0bdd3ece72d8d1509b27804707b0535ae6405d316028790024a32134ae9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14106870450e3543cc20a7747301d654ecd2c2146534bc68ed773d1620046af2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-22T09:56:56Z",
    "title_canon_sha256": "38babd27f8dc13b75d1d0b767bedf39192ad3b789b03d075625917a3f66faa82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5899",
    "kind": "arxiv",
    "version": 1
  }
}