Pith Number

pith:CGPDDSQN

pith:2013:CGPDDSQNBJ6Q6PDEWFFOUQFYD4

not attested not anchored not stored refs pending

Formation of Cyanoformaldehyde in the interstellar space

Ankan Das, Liton Majumdar, Rajdeep Saha, Sandip K. Chakrabarti, Sonali Chakrabarti

arxiv:1306.1681 v2 · 2013-06-07 · 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{CGPDDSQNBJ6Q6PDEWFFOUQFYD4}

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	2026-05-18T01:49:31.651444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

119e31ca0d0a7d0f3c64b14aea40b81f28104f07474bb2cbdc96f84eb3624286

Aliases

arxiv: 1306.1681 · arxiv_version: 1306.1681v2 · doi: 10.48550/arxiv.1306.1681 · pith_short_12: CGPDDSQNBJ6Q · pith_short_16: CGPDDSQNBJ6Q6PDE · pith_short_8: CGPDDSQN

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/CGPDDSQNBJ6Q6PDEWFFOUQFYD4 \
  | 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: 119e31ca0d0a7d0f3c64b14aea40b81f28104f07474bb2cbdc96f84eb3624286

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7c1d391f61bb7cafe29f9a3a48c4c37d84914630e12007b7a1e151248f40004",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-06-07T10:28:00Z",
    "title_canon_sha256": "9d4b802bcd75f1a8aba50353e4195db123be25519e9ab32f5916f1705dadbf97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1681",
    "kind": "arxiv",
    "version": 2
  }
}