Pith Number

pith:FCIC47BT

pith:2018:FCIC47BTL6OKXG37UHDXGDONKF

not attested not anchored not stored refs pending

On The Nature of Variations in the Measured Star Formation Efficiency of Molecular Clouds

Claude-Andr\'e Faucher-Gigu\`ere, Eve J. Lee, L. Clifton Johnson, Michael Y. Grudi\'c, Norman Murray, Philip F. Hopkins

arxiv:1809.08348 v2 · 2018-09-21 · 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{FCIC47BTL6OKXG37UHDXGDONKF}

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	2026-05-17T23:41:12.911065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28902e7c335f9cab9b7fa1c7730dcd5177b62d92bcbe7e084944f0773bb3a6cc

Aliases

arxiv: 1809.08348 · arxiv_version: 1809.08348v2 · doi: 10.48550/arxiv.1809.08348 · pith_short_12: FCIC47BTL6OK · pith_short_16: FCIC47BTL6OKXG37 · pith_short_8: FCIC47BT

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/FCIC47BTL6OKXG37UHDXGDONKF \
  | 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: 28902e7c335f9cab9b7fa1c7730dcd5177b62d92bcbe7e084944f0773bb3a6cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3884036a75a3283b7c9f9ca5129d1e88358aba090fe764e993c8148eb6fe9242",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-21T23:48:55Z",
    "title_canon_sha256": "0fd976f9a59181982129a287cac206bf1b504dd97c5f03905bfcc670e3fa20b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08348",
    "kind": "arxiv",
    "version": 2
  }
}