Pith Number

pith:7P4JTDU7

pith:2018:7P4JTDU77XE2TEWCBQGOLLYPWJ

not attested not anchored not stored refs pending

Experimental study of heterogeneous organic chemistry induced by far ultraviolet light: Implications for growth of organic aerosols by CH3 addition in the atmospheres of Titan and early Earth

Peng K. Hong, Seiji Sugita, Tsutoni Sasamori, Yasuhito Sekine

arxiv:1802.08458 v1 · 2018-02-23 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7P4JTDU77XE2TEWCBQGOLLYPWJ}

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	2026-05-18T00:22:43.694129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbf8998e9ffdc9a992c20c0ce5af0fb27afcd4d8d58b4680555176625566d66f

Aliases

arxiv: 1802.08458 · arxiv_version: 1802.08458v1 · doi: 10.48550/arxiv.1802.08458 · pith_short_12: 7P4JTDU77XE2 · pith_short_16: 7P4JTDU77XE2TEWC · pith_short_8: 7P4JTDU7

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/7P4JTDU77XE2TEWCBQGOLLYPWJ \
  | 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: fbf8998e9ffdc9a992c20c0ce5af0fb27afcd4d8d58b4680555176625566d66f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49f1b0b27b2c30cf38e2c215350dd513201a0d79033d5d405fde428e44dc536c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-02-23T09:44:51Z",
    "title_canon_sha256": "505d9ccf3f721f77531f4a86fa6abf221c825137b9da4a0578b52845f0ec515d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08458",
    "kind": "arxiv",
    "version": 1
  }
}