Pith Number

pith:HNK3IYF6

pith:1996:HNK3IYF6LRYZCY2TRUS3VHZJXT

not attested not anchored not stored refs pending

Hubble Space Telescope Observations of M32: The Color-Magnitude Diagram

Barry F. Madore (IPAC), Carl J. Grillmair (Caltech), C. Roger Lynds (NOAO), Earl J. O'Neil, Edward A. Ajhar (NOAO), Guy Worthey (University of Michigan), Jon A. Holtzman (New Mexico State University), Jr. (NOAO), Peter B. Stetson (DAO), S. M. Faber (UCO/Lick Observatory), Tod R. Lauer (NOAO), Wendy L. Freedman (OCIW), William A. Baum (University of Washington)

arxiv:astro-ph/9607094 v1 · 1996-07-18 · 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{HNK3IYF6LRYZCY2TRUS3VHZJXT}

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	2026-05-18T03:47:42.819885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b55b460be5c719163538d25ba9f29bcd1e73f8f205469fcaeccbf8e4b66968e

Aliases

arxiv: astro-ph/9607094 · arxiv_version: astro-ph/9607094v1 · doi: 10.48550/arxiv.astro-ph/9607094 · pith_short_12: HNK3IYF6LRYZ · pith_short_16: HNK3IYF6LRYZCY2T · pith_short_8: HNK3IYF6

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/HNK3IYF6LRYZCY2TRUS3VHZJXT \
  | 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: 3b55b460be5c719163538d25ba9f29bcd1e73f8f205469fcaeccbf8e4b66968e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc25314f82467d7345a4e35c4728dd598a1976f59ab765f126372c56b47378e7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-07-18T17:36:24Z",
    "title_canon_sha256": "81913dafb5a8ec87ec94322e40de41b9e245345467324eab8d6aafa1306f3cec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9607094",
    "kind": "arxiv",
    "version": 1
  }
}