Pith Number

pith:4NU5HXUQ

pith:2003:4NU5HXUQDFQK57LJSDVQ7KBZWC

not attested not anchored not stored refs pending

Status of CMB Polarization Measurements from DASI and Other Experiments

C. Pryke (University of Chicago), E. M. Leitch, J. E. Carlstrom, J. Kovac

arxiv:astro-ph/0308478 v1 · 2003-08-27 · 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{4NU5HXUQDFQK57LJSDVQ7KBZWC}

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	2026-05-18T01:40:38.321807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e369d3de901960aefd6990eb0fa839b0b52aaef7921f5e653c8d483c1fc78607

Aliases

arxiv: astro-ph/0308478 · arxiv_version: astro-ph/0308478v1 · doi: 10.48550/arxiv.astro-ph/0308478 · pith_short_12: 4NU5HXUQDFQK · pith_short_16: 4NU5HXUQDFQK57LJ · pith_short_8: 4NU5HXUQ

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/4NU5HXUQDFQK57LJSDVQ7KBZWC \
  | 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: e369d3de901960aefd6990eb0fa839b0b52aaef7921f5e653c8d483c1fc78607

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "352d48c70b66719c5dd9f2e8e917ca58597e047a082fc76746c5af7b993fca82",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-08-27T17:42:56Z",
    "title_canon_sha256": "b887cc7b307442a8bf4f8cd32a0f5745c64feb319fb283fa4111b916a10225a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0308478",
    "kind": "arxiv",
    "version": 1
  }
}