Pith Number

pith:MMOJNNLX

pith:2023:MMOJNNLX2KGFC6D4U3KVWAFNGF

not attested not anchored not stored refs pending

A Possible Chemical Clock in High-mass Star-forming Regions: N(HC3N)/N(N2H+)?

H. Z. Yu, J. L. Chen, J. S. Zhang, J. Y. Zhao, Y. P. Zou, Y. T. Yan, Y. Wang, Y. X. Wang

arxiv:2302.09577 v1 · 2023-02-19 · 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{MMOJNNLX2KGFC6D4U3KVWAFNGF}

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	2026-07-05T05:43:27.666585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

631c96b577d28c51787ca6d55b00ad31646c1459902dc7b3722d7999db2754fc

Aliases

arxiv: 2302.09577 · arxiv_version: 2302.09577v1 · doi: 10.48550/arxiv.2302.09577 · pith_short_12: MMOJNNLX2KGF · pith_short_16: MMOJNNLX2KGFC6D4 · pith_short_8: MMOJNNLX

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/MMOJNNLX2KGFC6D4U3KVWAFNGF \
  | 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: 631c96b577d28c51787ca6d55b00ad31646c1459902dc7b3722d7999db2754fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e804516dd187d3dd17ad3256fbbb647602d88a8e7ae15469061de86967cc538",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-02-19T13:56:52Z",
    "title_canon_sha256": "5b03aa405e5add0ee8feaaeb1a388f1124ae96a60784c59b206a5bac3d55ae78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.09577",
    "kind": "arxiv",
    "version": 1
  }
}