Pith Number

pith:HARFZB3L

pith:2014:HARFZB3LKSBNFNMPFINVUG7WPS

not attested not anchored not stored refs pending

The HNC/HCN Ratio in Star-Forming Regions

Anton I. Vasyunin, Dawn Graninger, Eric Herbst, Karin I. Oberg

arxiv:1404.5338 v1 · 2014-04-21 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HARFZB3LKSBNFNMPFINVUG7WPS}

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	2026-05-18T01:43:26.612902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38225c876b5482d2b58f2a1b5a1bf67caec04bcf9de1f90bb210c77d464a093d

Aliases

arxiv: 1404.5338 · arxiv_version: 1404.5338v1 · doi: 10.48550/arxiv.1404.5338 · pith_short_12: HARFZB3LKSBN · pith_short_16: HARFZB3LKSBNFNMP · pith_short_8: HARFZB3L

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/HARFZB3LKSBNFNMPFINVUG7WPS \
  | 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: 38225c876b5482d2b58f2a1b5a1bf67caec04bcf9de1f90bb210c77d464a093d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11c9ed9f5a50b66a88bfbf854dd03bedf1bfcbcef475aa76f1dfd416991fcce7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-04-21T21:23:24Z",
    "title_canon_sha256": "7f9207a1d516055a6f98fd60ef85d2eb47589825186b0fe47ba33a05ca4ec4fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5338",
    "kind": "arxiv",
    "version": 1
  }
}