Pith Number

pith:GIRJZA2P

pith:2017:GIRJZA2PDIVHCUP27ENQO42KR7

not attested not anchored not stored refs pending

A new method to unveil embedded stellar clusters

Charles J. Lada, Joao Alves, Marco Lombardi

arxiv:1707.08594 v1 · 2017-07-26 · astro-ph.IM · 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{GIRJZA2PDIVHCUP27ENQO42KR7}

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	2026-05-18T00:29:29.606871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32229c834f1a2a7151faf91b07734a8ffe82da93803f48ce961eb56372b0ad7d

Aliases

arxiv: 1707.08594 · arxiv_version: 1707.08594v1 · doi: 10.48550/arxiv.1707.08594 · pith_short_12: GIRJZA2PDIVH · pith_short_16: GIRJZA2PDIVHCUP2 · pith_short_8: GIRJZA2P

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/GIRJZA2PDIVHCUP27ENQO42KR7 \
  | 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: 32229c834f1a2a7151faf91b07734a8ffe82da93803f48ce961eb56372b0ad7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7811470a3844ff054733b2ce6445029ce0d6354486419d88985e658b6f81721a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-07-26T18:08:36Z",
    "title_canon_sha256": "0e9ddaed4d02905cd4eab923c2366b6015899439b02d79ed7d45a6afbd4674fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08594",
    "kind": "arxiv",
    "version": 1
  }
}