Pith Number

pith:JCREFP3U

pith:2011:JCREFP3UKVFWVARIDW4KUWHUXP

not attested not anchored not stored refs pending

Carbon Isotope and Isotopomer Fractionation in Cold Dense Cloud Cores

Kenji Furuya, Nami Sakai, Satoshi Yamamoto, Yuri Aikawa

arxiv:1102.2282 v1 · 2011-02-11 · 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{JCREFP3UKVFWVARIDW4KUWHUXP}

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	2026-05-18T02:03:12.241471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48a242bf74554b6a82281db8aa58f4bbed13418b18e8162109d21b341c4319de

Aliases

arxiv: 1102.2282 · arxiv_version: 1102.2282v1 · doi: 10.48550/arxiv.1102.2282 · pith_short_12: JCREFP3UKVFW · pith_short_16: JCREFP3UKVFWVARI · pith_short_8: JCREFP3U

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/JCREFP3UKVFWVARIDW4KUWHUXP \
  | 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: 48a242bf74554b6a82281db8aa58f4bbed13418b18e8162109d21b341c4319de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b9eb891ecd712ce8ed19cd084b5f1e8cd9e9ec6f30c2075318eb21a06ba472b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-11T04:53:19Z",
    "title_canon_sha256": "b25464e13f8900bcb46d003134c96551f4e4fea31996d18a47663bf9fc0cea9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2282",
    "kind": "arxiv",
    "version": 1
  }
}