Pith Number

pith:REXH3NEN

pith:2019:REXH3NENQTXMZQARMHDZWNMFY6

not attested not anchored not stored refs pending

How do bound star clusters form?

Christopher F. McKee, Mark R. Krumholz

arxiv:1909.01565 v2 · 2019-09-04 · astro-ph.GA · 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{REXH3NENQTXMZQARMHDZWNMFY6}

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	2026-07-05T00:48:43.720074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

892e7db48d84eeccc01161c79b3585c780b2817e2ffcf9b015aaa6e9828026a0

Aliases

arxiv: 1909.01565 · arxiv_version: 1909.01565v2 · doi: 10.48550/arxiv.1909.01565 · pith_short_12: REXH3NENQTXM · pith_short_16: REXH3NENQTXMZQAR · pith_short_8: REXH3NEN

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/REXH3NENQTXMZQARMHDZWNMFY6 \
  | 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: 892e7db48d84eeccc01161c79b3585c780b2817e2ffcf9b015aaa6e9828026a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "970627c43213b666d3e8590bbbc4013abad6d934604546820a2811fe49974a65",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-09-04T06:14:10Z",
    "title_canon_sha256": "1940e7679ce264a8bfaa09d2f0ebd84acbdba9bd18f414be165b8c42cca29556"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01565",
    "kind": "arxiv",
    "version": 2
  }
}