Pith Number

pith:CUPO6NME

pith:2016:CUPO6NMEZFZO2XJBNKFPMF2WRK

not attested not anchored not stored refs pending

Characterising uniform star formation efficiencies with marginally-stable galactic disks

D.A. Thilker, G.R. Meurer, M.A. Zwaan, O. Ivy Wong, T.M. Heckman, Z. Zheng

arxiv:1604.07221 v1 · 2016-04-25 · 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{CUPO6NMEZFZO2XJBNKFPMF2WRK}

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	2026-05-18T01:13:47.597683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

151eef3584c972ed5d216a8af617568aac206c857f043201eb78391f233e79d1

Aliases

arxiv: 1604.07221 · arxiv_version: 1604.07221v1 · doi: 10.48550/arxiv.1604.07221 · pith_short_12: CUPO6NMEZFZO · pith_short_16: CUPO6NMEZFZO2XJB · pith_short_8: CUPO6NME

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/CUPO6NMEZFZO2XJBNKFPMF2WRK \
  | 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: 151eef3584c972ed5d216a8af617568aac206c857f043201eb78391f233e79d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19566e51921f21726fef5cb32aef2d468aab18b0a3c6dbd59e0d76495f241526",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-04-25T12:05:45Z",
    "title_canon_sha256": "2be5d8ee258ec58b9d21bcadb9f9e4ccd67459ca6a4622d798e7c2b1eeafa6c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07221",
    "kind": "arxiv",
    "version": 1
  }
}