Pith Number

pith:7D3ILOYX

pith:2004:7D3ILOYXCIIMB26BDMFRMD7IZE

not attested not anchored not stored refs pending

Design and Calibration of a Cryogenic Blackbody Calibrator at Centimeter Wavelengths

A. Kogut, D. J. Fixsen, E. Wollack, M. Limon, M. Seiffert, P. Mirel, P. M. Lubin, S. Levin

arxiv:astro-ph/0402580 v1 · 2004-02-24 · 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{7D3ILOYXCIIMB26BDMFRMD7IZE}

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	2026-07-04T16:43:06.554732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8f685bb171210c0ebc11b0b160fe8c93b275f0581c472faa11739c3d3dd225e

Aliases

arxiv: astro-ph/0402580 · arxiv_version: astro-ph/0402580v1 · doi: 10.48550/arxiv.astro-ph/0402580 · pith_short_12: 7D3ILOYXCIIM · pith_short_16: 7D3ILOYXCIIMB26B · pith_short_8: 7D3ILOYX

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/7D3ILOYXCIIMB26BDMFRMD7IZE \
  | 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: f8f685bb171210c0ebc11b0b160fe8c93b275f0581c472faa11739c3d3dd225e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97b940daa2fbfe9a3e8ae9748079473fe194381fcdfacb68a6d63ec299f700e3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-24T21:21:46Z",
    "title_canon_sha256": "820a08cbfef7f52accc902a08b973a747a75a368690a0e4f995df21bf527cb70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402580",
    "kind": "arxiv",
    "version": 1
  }
}