Pith Number

pith:OBPRYFBB

pith:2014:OBPRYFBBTWZ5UXWJC6UWIJY5ZW

not attested not anchored not stored refs pending

Testing Isotropy in the Local Universe

Arman Shafieloo, Stephen Appleby

arxiv:1405.4595 v2 · 2014-05-19 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OBPRYFBBTWZ5UXWJC6UWIJY5ZW}

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	2026-05-18T02:39:10.954156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

705f1c14219db3da5ec917a964271dcda6ec574581a273343400921d754cb97c

Aliases

arxiv: 1405.4595 · arxiv_version: 1405.4595v2 · doi: 10.48550/arxiv.1405.4595 · pith_short_12: OBPRYFBBTWZ5 · pith_short_16: OBPRYFBBTWZ5UXWJ · pith_short_8: OBPRYFBB

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/OBPRYFBBTWZ5UXWJC6UWIJY5ZW \
  | 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: 705f1c14219db3da5ec917a964271dcda6ec574581a273343400921d754cb97c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a5b6f8f4aab6aee1da4a25b6333ea1d740c537d05aab0aef5875a06bd3f01c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-05-19T04:17:30Z",
    "title_canon_sha256": "2c7ce111fd8827da21b234f9957f5dbb8af1d637437ab2a8b1b0617a82869d5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4595",
    "kind": "arxiv",
    "version": 2
  }
}