Pith Number

pith:RVQYSDU5

pith:2019:RVQYSDU57XVK4TH7UT5ZVFZRSZ

not attested not anchored not stored refs pending

Star formation rates and stellar masses from machine learning

A. Beelen, E.Soubri\'e, M. Douspis, N. Aghanim, P. Salom\'e, V. Bonjean

arxiv:1901.01932 v1 · 2019-01-07 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RVQYSDU57XVK4TH7UT5ZVFZRSZ}

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	2026-05-17T23:54:08.067468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d61890e9dfdeaae4cffa4fb9a973196592e5f7bc2edd1fd9c06d764040c27b5

Aliases

arxiv: 1901.01932 · arxiv_version: 1901.01932v1 · doi: 10.48550/arxiv.1901.01932 · pith_short_12: RVQYSDU57XVK · pith_short_16: RVQYSDU57XVK4TH7 · pith_short_8: RVQYSDU5

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/RVQYSDU57XVK4TH7UT5ZVFZRSZ \
  | 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: 8d61890e9dfdeaae4cffa4fb9a973196592e5f7bc2edd1fd9c06d764040c27b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "882ed556195de09db8bdc166682ebff6724b658528f5e684df18cd1f1f23906e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-07T17:27:37Z",
    "title_canon_sha256": "d1702637db0d5d1984d6dedfa423998b71784b4a70e6c3859dabb7b7492db0f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01932",
    "kind": "arxiv",
    "version": 1
  }
}