Pith Number

pith:YW4BVNGV

pith:2006:YW4BVNGVPDCXJI2EHLV4YOP7RJ

not attested not anchored not stored refs pending

Mysteries on Universe's Largest Observable Scales

Dragan Huterer (KICP, University of Chicago)

arxiv:astro-ph/0608318 v1 · 2006-08-15 · 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{YW4BVNGVPDCXJI2EHLV4YOP7RJ}

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	2026-05-18T04:24:44.646133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5b81ab4d578c574a3443aebcc39ff8a487c1b5ee2b220c0d0123d89099a264e

Aliases

arxiv: astro-ph/0608318 · arxiv_version: astro-ph/0608318v1 · doi: 10.48550/arxiv.astro-ph/0608318 · pith_short_12: YW4BVNGVPDCX · pith_short_16: YW4BVNGVPDCXJI2E · pith_short_8: YW4BVNGV

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/YW4BVNGVPDCXJI2EHLV4YOP7RJ \
  | 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: c5b81ab4d578c574a3443aebcc39ff8a487c1b5ee2b220c0d0123d89099a264e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c83a60bd0e94c09ae9ce9055a0280e13c3570c8c0c04023b9e1323b2d3a8daa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-08-15T15:49:16Z",
    "title_canon_sha256": "84c71bdce3745deea14c64871cc3576c6c0b58848a5c2ca5b5913f65c7518fa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0608318",
    "kind": "arxiv",
    "version": 1
  }
}