Pith Number

pith:IREYJTRZ

pith:2011:IREYJTRZ2SBL774KMD4JYAQHJP

not attested not anchored not stored refs pending

The Dependence of the Galactic Star Formation Laws on Metallicity

Jonathan Braine, Laurent Piau, Sami Dib, Subhanjoy Mohanty

arxiv:1109.3699 v2 · 2011-09-16 · astro-ph.GA · astro-ph.CO · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IREYJTRZ2SBL774KMD4JYAQHJP}

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	2026-05-18T02:21:36.606977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

444984ce39d482bfff8a60f89c02074be7b0840c916a1e957ae8eea49e17e846

Aliases

arxiv: 1109.3699 · arxiv_version: 1109.3699v2 · doi: 10.48550/arxiv.1109.3699 · pith_short_12: IREYJTRZ2SBL · pith_short_16: IREYJTRZ2SBL774K · pith_short_8: IREYJTRZ

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/IREYJTRZ2SBL774KMD4JYAQHJP \
  | 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: 444984ce39d482bfff8a60f89c02074be7b0840c916a1e957ae8eea49e17e846

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f2df38f1f46c588eebe368e832556b170054b67fdcf2637edf53ebd8c59b249",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-09-16T19:28:56Z",
    "title_canon_sha256": "bb4d5c063b4958e0cdafc2ea4ea5cf6ae5219770b73de9f19831902fe97a9e39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3699",
    "kind": "arxiv",
    "version": 2
  }
}