pith. sign in
Pith Number

pith:XORTCBAS

pith:2019:XORTCBASQLO74DODJIHN3L6KA5
not attested not anchored not stored refs pending

$^{13}$C Isotopic Fractionation of CCH in Two Starless Cores: L1521B and L134N

Eric Herbst, Hiroyuki Ozeki, Kotomi Taniguchi, Masao Saito

arxiv:1908.09983 v1 · 2019-08-27 · astro-ph.GA · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XORTCBASQLO74DODJIHN3L6KA5}

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 2026-07-05T00:17:12.313361Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

bba331041282ddfe0dc34a0eddafca0744340f56cc73257fcc8a30d9e8e7f5ab

Aliases

arxiv: 1908.09983 · arxiv_version: 1908.09983v1 · doi: 10.48550/arxiv.1908.09983 · pith_short_12: XORTCBASQLO7 · pith_short_16: XORTCBASQLO74DOD · pith_short_8: XORTCBAS
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XORTCBASQLO74DODJIHN3L6KA5 \
  | 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: bba331041282ddfe0dc34a0eddafca0744340f56cc73257fcc8a30d9e8e7f5ab
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3396643e19b98a531ebc18341b2105e918fc18bcb620f30846bdd49d52be8d67",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-27T01:54:32Z",
    "title_canon_sha256": "08645a0363f8d53a4f9ae5bac7ddf49b3cd1cff95d3ea36255a46b430984d576"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09983",
    "kind": "arxiv",
    "version": 1
  }
}