Pith Number

pith:G4VM5TGI

pith:1997:G4VM5TGIE7ELSYQMJ7BZOG5IPI

not attested not anchored not stored refs pending

First Astronomical Detection of the Cumulene Carbon Chain Molecule H_2C_6 in TMC1

A. Kov\'acs, C. A. Gottlieb, M. C. McCarthy, M. J. Travers, P. Thaddeus, R. peng, T. B. H. Kuiper, T. Velusamy, W. D. Langer

arxiv:astro-ph/9702183 v1 · 1997-02-21 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G4VM5TGIE7ELSYQMJ7BZOG5IPI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:09:21.493835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

372aceccc827c8b9620c4fc3971ba87a247426a8410103186f0e8dc4edcb2b27

Aliases

arxiv: astro-ph/9702183 · arxiv_version: astro-ph/9702183v1 · doi: 10.48550/arxiv.astro-ph/9702183 · pith_short_12: G4VM5TGIE7EL · pith_short_16: G4VM5TGIE7ELSYQM · pith_short_8: G4VM5TGI

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/G4VM5TGIE7ELSYQMJ7BZOG5IPI \
  | 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: 372aceccc827c8b9620c4fc3971ba87a247426a8410103186f0e8dc4edcb2b27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b730d3130a8e7a7faeaca15887e01ae621acb4100fe0ba32de8faad1a95a192",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-02-21T00:28:52Z",
    "title_canon_sha256": "d135a5c049b97a0d07b6f01dde6e685bee3de02095f34ebca0ea0917db4191a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9702183",
    "kind": "arxiv",
    "version": 1
  }
}