Pith Number

pith:5UJKFBVF

pith:2018:5UJKFBVFFCNRVSNEMRV7NVR5EW

not attested not anchored not stored refs pending

3D shape of Orion A with Gaia DR2. An informed view on Star Formation Rates and Efficiencies

Birgit Hasenberger, Jo\~ao Alves, Josefa E. Gro{\ss}schedl, Stefan Meingast

arxiv:1812.08024 v1 · 2018-12-19 · 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{5UJKFBVFFCNRVSNEMRV7NVR5EW}

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	2026-05-17T23:57:55.133711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed12a286a5289b1ac9a4646bf6d63d259ebddfe9a61fa6e00ab2b935ba0ea38d

Aliases

arxiv: 1812.08024 · arxiv_version: 1812.08024v1 · doi: 10.48550/arxiv.1812.08024 · pith_short_12: 5UJKFBVFFCNR · pith_short_16: 5UJKFBVFFCNRVSNE · pith_short_8: 5UJKFBVF

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/5UJKFBVFFCNRVSNEMRV7NVR5EW \
  | 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: ed12a286a5289b1ac9a4646bf6d63d259ebddfe9a61fa6e00ab2b935ba0ea38d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f382a55f1aa9f9859940a03f5ad4ade9ddfbf66723d2a9587229d613a2773a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-19T15:35:31Z",
    "title_canon_sha256": "d15e029cdefcba330bdaa041cf703d69146275d1f4ca670763cd4ab320cab8fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08024",
    "kind": "arxiv",
    "version": 1
  }
}