Pith Number

pith:HH4VV2VA

pith:1993:HH4VV2VALF6XQR6T5IJDALGONK

not attested not anchored not stored refs pending

NGC 6397: A case study in the resolution of post-collapse globular cluster cores

G. A. Drukier

arxiv:astro-ph/9307026 v1 · 1993-07-15 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HH4VV2VALF6XQR6T5IJDALGONK}

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	2026-05-18T01:40:26.648670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39f95aeaa0597d7847d3ea12302cce6aa85dd62acca656e2154c0a9383572df1

Aliases

arxiv: astro-ph/9307026 · arxiv_version: astro-ph/9307026v1 · doi: 10.48550/arxiv.astro-ph/9307026 · pith_short_12: HH4VV2VALF6X · pith_short_16: HH4VV2VALF6XQR6T · pith_short_8: HH4VV2VA

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/HH4VV2VALF6XQR6T5IJDALGONK \
  | 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: 39f95aeaa0597d7847d3ea12302cce6aa85dd62acca656e2154c0a9383572df1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df4befc7dbe708ef040f33bdf38326c7b5cb6da53fbc9652681215f1a6fd26b0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-07-15T12:27:02Z",
    "title_canon_sha256": "152cea5da1801ba045506197f834c3bb75bdd52c962253ca0d5bd1e865f88d5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9307026",
    "kind": "arxiv",
    "version": 1
  }
}