Pith Number

pith:4FRYO2HN

pith:2026:4FRYO2HNPC3AJBY377BPRFY5RQ

not attested not anchored not stored refs pending

Inventories of Rich Carbon-Chain Chemistry in Prestellar and Starless Cores in the Perseus Molecular Cloud

2), (2) National Radio Astronomy Observatory, (3) RIKEN Cluster for Pioneering Research, (4) Steward Observatory, (5) Centro de Astrobiolog\'ia), Andr\'es Meg\'ias (5), Anissa Pokorny-Yadav (1, Berkeley, Izaskun Jim\'enez-Serra (5) ((1) Department of Astronomy, Judit Ferrer Asensio (3), Samantha Scibelli (2), University of Arizona, University of California, Yancy Shirley (4)

arxiv:2608.05264 v1 · 2026-08-05 · astro-ph.GA · astro-ph.EP · 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{4FRYO2HNPC3AJBY377BPRFY5RQ}

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	2026-08-07T00:46:38.433516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1638768ed78b604871bffc2f8971d8c2bf8bf1ef63166885228c0eb7d9148e7

Aliases

arxiv: 2608.05264 · arxiv_version: 2608.05264v1 · doi: 10.48550/arxiv.2608.05264 · pith_short_12: 4FRYO2HNPC3A · pith_short_16: 4FRYO2HNPC3AJBY3 · pith_short_8: 4FRYO2HN

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/4FRYO2HNPC3AJBY377BPRFY5RQ \
  | 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: e1638768ed78b604871bffc2f8971d8c2bf8bf1ef63166885228c0eb7d9148e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd70af1cc9786763246c50527b318b71e70d67008685c2bd276fcf846c9bbd6b",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-08-05T17:40:50Z",
    "title_canon_sha256": "b07daabfd4e107d5185904afb42dba8a9bf6660fbafd815f1f7d8e7b70db95f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.05264",
    "kind": "arxiv",
    "version": 1
  }
}