Pith Number

pith:67BUME6Z

pith:2015:67BUME6ZPICOWUWTGNZBZ5UQFW

not attested not anchored not stored refs pending

Heterogeneity in $^{12}$CO/$^{13}$CO Ratios Toward Solar-Type Young Stellar Objects

Edward D. Young, Klaus M. Pontoppidan, Mark R. Morris, Rachel L. Smith

arxiv:1509.06607 v1 · 2015-09-21 · astro-ph.SR · 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{67BUME6ZPICOWUWTGNZBZ5UQFW}

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	2026-05-18T01:27:22.542669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7c34613d97a04eb52d333721cf6902da8a6a6dc3379776250990efc426f9a7f

Aliases

arxiv: 1509.06607 · arxiv_version: 1509.06607v1 · doi: 10.48550/arxiv.1509.06607 · pith_short_12: 67BUME6ZPICO · pith_short_16: 67BUME6ZPICOWUWT · pith_short_8: 67BUME6Z

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/67BUME6ZPICOWUWTGNZBZ5UQFW \
  | 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: f7c34613d97a04eb52d333721cf6902da8a6a6dc3379776250990efc426f9a7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f27a6487b444488871d3470e243c25e2e772fb950e3628bc52f592f4f61e200e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-21T01:30:07Z",
    "title_canon_sha256": "ae141365df8b768a9dba8204aa4ef2a60f6cebf1b84e849c6adb3421009a97c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06607",
    "kind": "arxiv",
    "version": 1
  }
}