Pith Number

pith:QZ5YJZI2

pith:1996:QZ5YJZI2WKXY2EPOU4JZWJJ75B

not attested not anchored not stored refs pending

The Minimum Total Mass of MACHOs and Halo Models of the Galaxy

R. Nishi, T. Nakamura, Y. Kan-ya

arxiv:astro-ph/9610121 v1 · 1996-10-16 · 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{QZ5YJZI2WKXY2EPOU4JZWJJ75B}

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	2026-07-04T16:00:16.734059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

867b84e51ab2af8d11eea7139b253fe879edcb6634f248981a7c2be12f8b548d

Aliases

arxiv: astro-ph/9610121 · arxiv_version: astro-ph/9610121v1 · doi: 10.48550/arxiv.astro-ph/9610121 · pith_short_12: QZ5YJZI2WKXY · pith_short_16: QZ5YJZI2WKXY2EPO · pith_short_8: QZ5YJZI2

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/QZ5YJZI2WKXY2EPOU4JZWJJ75B \
  | 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: 867b84e51ab2af8d11eea7139b253fe879edcb6634f248981a7c2be12f8b548d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e33f3803d16722f1f44ebf526226609b14500dc5d502b89c29240537a7d38f7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-10-16T06:19:29Z",
    "title_canon_sha256": "0a269b899693e7851aa8427ae249d393bb31e4858547030f0eb02f2ac9827062"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9610121",
    "kind": "arxiv",
    "version": 1
  }
}