Pith Number

pith:N2PUHCCP

pith:2002:N2PUHCCPCQFPBNJITBO77MDTRV

not attested not anchored not stored refs pending

A new infrared band in the Interstellar and Circumstellar Clouds: C_4 or C_4H?

J. Cernicharo, J.R. Goicoechea, Y. Benilan

arxiv:astro-ph/0210383 v1 · 2002-10-17 · astro-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{N2PUHCCPCQFPBNJITBO77MDTRV}

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	2026-07-04T16:30:59.327109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e9f43884f140af0b528985dffb0738d69e3ae9619a4285851ea49be66c89e39

Aliases

arxiv: astro-ph/0210383 · arxiv_version: astro-ph/0210383v1 · doi: 10.48550/arxiv.astro-ph/0210383 · pith_short_12: N2PUHCCPCQFP · pith_short_16: N2PUHCCPCQFPBNJI · pith_short_8: N2PUHCCP

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/N2PUHCCPCQFPBNJITBO77MDTRV \
  | 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: 6e9f43884f140af0b528985dffb0738d69e3ae9619a4285851ea49be66c89e39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0d8ec95224c90ca3f27893465d526b3c5ae745e7e94ed8b85fd7d23414e3df4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-17T09:22:11Z",
    "title_canon_sha256": "784328c2c467c982c8a983a0c2e39aa784a2d063a5b87eb568e384eb95461c02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210383",
    "kind": "arxiv",
    "version": 1
  }
}