Pith Number

pith:ZPEC53T7

pith:1995:ZPEC53T7YIL4KFKTUTASO3S5OY

not attested not anchored not stored refs pending

Dipole Anisotropy from an Entropy Gradient

David Langlois, Tsvi Piran

arxiv:astro-ph/9507094 v1 · 1995-07-24 · astro-ph · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZPEC53T7YIL4KFKTUTASO3S5OY}

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	2026-07-04T15:58:04.671206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbc82eee7fc217c51553a4c1276e5d7621e6c2ad1ac94b6c56095cfc04062efa

Aliases

arxiv: astro-ph/9507094 · arxiv_version: astro-ph/9507094v1 · doi: 10.48550/arxiv.astro-ph/9507094 · pith_short_12: ZPEC53T7YIL4 · pith_short_16: ZPEC53T7YIL4KFKT · pith_short_8: ZPEC53T7

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/ZPEC53T7YIL4KFKTUTASO3S5OY \
  | 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: cbc82eee7fc217c51553a4c1276e5d7621e6c2ad1ac94b6c56095cfc04062efa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31453340ae798ed00f8add174a71b247b0a75297920fe63734fc5e00b163d96b",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-07-24T11:14:49Z",
    "title_canon_sha256": "0cd8da93531ad456599dd9c0271ce1d2f04c13e8818200bfde87e1ce874c6cd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9507094",
    "kind": "arxiv",
    "version": 1
  }
}