Pith Number

pith:QN3DGN4T

pith:2016:QN3DGN4TCP2T6TGDTOLLQGQZD5

not attested not anchored not stored refs pending

Star clusters: Anything but simple

Richard de Grijs

arxiv:1701.00053 v1 · 2016-12-31 · astro-ph.SR · 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{QN3DGN4TCP2T6TGDTOLLQGQZD5}

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	2026-05-18T00:53:39.539106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

837633379313f53f4cc39b96b81a191f426e82f3723d05aa300246767ae419ef

Aliases

arxiv: 1701.00053 · arxiv_version: 1701.00053v1 · doi: 10.48550/arxiv.1701.00053 · pith_short_12: QN3DGN4TCP2T · pith_short_16: QN3DGN4TCP2T6TGD · pith_short_8: QN3DGN4T

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/QN3DGN4TCP2T6TGDTOLLQGQZD5 \
  | 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: 837633379313f53f4cc39b96b81a191f426e82f3723d05aa300246767ae419ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b9bec4f894f934236895db0f4b08468458374fdbe29d21229a61cd95592da13",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-12-31T02:14:45Z",
    "title_canon_sha256": "e7f0e359360d1d075a6608d07c98393e65ffd7bc37138124248b083fd1d26118"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00053",
    "kind": "arxiv",
    "version": 1
  }
}