Pith Number

pith:DNK7RLZ4

pith:1995:DNK7RLZ4PEZJHE2DRKXPGHJ7KP

not attested not anchored not stored refs pending

COBE CONSTRAINTS ON KALUZA-KLEIN COSMOLOGIES

F.I. Cooperstock, J.M. Overduin, V. Faraoni

arxiv:astro-ph/9501012 v1 · 1995-01-05 · 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{DNK7RLZ4PEZJHE2DRKXPGHJ7KP}

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	2026-05-18T02:40:35.464958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b55f8af3c79329393438aaef31d3f53c54034ff08ed58285b75e0785b9b5a7f

Aliases

arxiv: astro-ph/9501012 · arxiv_version: astro-ph/9501012v1 · doi: 10.48550/arxiv.astro-ph/9501012 · pith_short_12: DNK7RLZ4PEZJ · pith_short_16: DNK7RLZ4PEZJHE2D · pith_short_8: DNK7RLZ4

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/DNK7RLZ4PEZJHE2DRKXPGHJ7KP \
  | 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: 1b55f8af3c79329393438aaef31d3f53c54034ff08ed58285b75e0785b9b5a7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64d153f88c465bca52e711198d96ef6ebce1e8b6e63a06d85211ce9237250b99",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-01-05T01:16:36Z",
    "title_canon_sha256": "a4811742def1c283e6b3055f4f00f4a30bec6f88317caae7b3d278638a0609c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9501012",
    "kind": "arxiv",
    "version": 1
  }
}