Pith Number

pith:MIB43NK7

pith:1998:MIB43NK7UFLZSENP6XR4WY3QVL

not attested not anchored not stored refs pending

Massive Compact Halo Objects Viewed from a Cosmological Perspective: Contribution to the Baryonic Mass Density of the Universe

Brian D. Fields, David S. Graff, Katherine Freese

arxiv:astro-ph/9804232 v1 · 1998-04-22 · 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{MIB43NK7UFLZSENP6XR4WY3QVL}

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	2026-05-18T01:07:37.559734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6203cdb55fa1579911aff5e3cb6370aae3e7dd09380a6269906192dd1cc7856a

Aliases

arxiv: astro-ph/9804232 · arxiv_version: astro-ph/9804232v1 · doi: 10.48550/arxiv.astro-ph/9804232 · pith_short_12: MIB43NK7UFLZ · pith_short_16: MIB43NK7UFLZSENP · pith_short_8: MIB43NK7

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/MIB43NK7UFLZSENP6XR4WY3QVL \
  | 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: 6203cdb55fa1579911aff5e3cb6370aae3e7dd09380a6269906192dd1cc7856a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a46f79144beef4f54f90ab8be2e80ca6a7e730e4e4ed4ac0c147c41f35cd5b7f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-04-22T19:47:32Z",
    "title_canon_sha256": "661d8777c16239f8630a8ca3d4e04295b8d2ee2256efa5888221f2741768e451"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9804232",
    "kind": "arxiv",
    "version": 1
  }
}