Pith Number

pith:LBHNJNCZ

pith:1998:LBHNJNCZFDHWNM2GSXLTBZJ7US

not attested not anchored not stored refs pending

Stellar Populations and Ages of M82 Super Star Clusters

III, John S. Gallagher, Linda J. Smith

arxiv:astro-ph/9812174 v1 · 1998-12-09 · 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{LBHNJNCZFDHWNM2GSXLTBZJ7US}

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	2026-05-18T03:47:42.532081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

584ed4b45928cf66b34695d730e53fa4ad32a7113a96cdc6ab26c8e9973d0e72

Aliases

arxiv: astro-ph/9812174 · arxiv_version: astro-ph/9812174v1 · doi: 10.48550/arxiv.astro-ph/9812174 · pith_short_12: LBHNJNCZFDHW · pith_short_16: LBHNJNCZFDHWNM2G · pith_short_8: LBHNJNCZ

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/LBHNJNCZFDHWNM2GSXLTBZJ7US \
  | 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: 584ed4b45928cf66b34695d730e53fa4ad32a7113a96cdc6ab26c8e9973d0e72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6c5f73bc5b083cc43f5b6487a0093bc2cd7bc77e9a0be06c043801227db63c8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-12-09T13:57:58Z",
    "title_canon_sha256": "6a3b8b24692495931a6cf67607189f12bc2bcc1ce09fc62c89195c679ac860c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9812174",
    "kind": "arxiv",
    "version": 1
  }
}