Pith Number

pith:PALHNIE5

pith:2017:PALHNIE5WULSFOODGO7PCY5BGM

not attested not anchored not stored refs pending

The extended law of star formation: the combined role of gas and stars

Guillermo Blanc, Sacha Hony, Sami Dib

arxiv:1702.02609 v2 · 2017-02-08 · 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{PALHNIE5WULSFOODGO7PCY5BGM}

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	2026-05-18T00:40:07.267717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

781676a09db51722b9c333bef163a13318098b9035323ee11ccd10172ff381a3

Aliases

arxiv: 1702.02609 · arxiv_version: 1702.02609v2 · doi: 10.48550/arxiv.1702.02609 · pith_short_12: PALHNIE5WULS · pith_short_16: PALHNIE5WULSFOOD · pith_short_8: PALHNIE5

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/PALHNIE5WULSFOODGO7PCY5BGM \
  | 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: 781676a09db51722b9c333bef163a13318098b9035323ee11ccd10172ff381a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c8c75281edcbbf70f903300c70aa406e7ec5c058a72588a59809fd1e1d61965",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-02-08T21:00:01Z",
    "title_canon_sha256": "cdbb4d8068dccf7c4dc81ebf43d36c9a450b34e4aea150f21d41b5965497397a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02609",
    "kind": "arxiv",
    "version": 2
  }
}