Pith Number

pith:QTCWWTWU

pith:2008:QTCWWTWUEDCHIBVYQWXB6QPCUT

not attested not anchored not stored refs pending

The Quijote CMB Experiment

A. Gomez, A. Lasenby, A. Mediavilla, A. Vizcarguenaga, B. Aja, B. Etxeita, B. Maffei, C. Gomez, C. Lopez Caraballo, D. Herranz, E. Artal, E. Martinez-Gonzalez, E. Villa, F. Gomez-Renasco, F.J. Casas, G. Murga, G. Pisano, J. Arino, J.A. Rubino-Martin, J.L. Cano, J.M. Herreros, J. Pan, J.P. Pascual, K. Grainge, L. de la Fuente, L. Piccirillo, M. Hobson, M. Tucci, P. Scott, P. Vielva, R.A. Watson, R. Battye, R. Davies, R. Davis, R. Genova-Santos, R. Hoyland, R. Rebolo, R. Sanquirce, R. Saunders, S.R. Hildebrandt

arxiv:0810.3141 v1 · 2008-10-17 · 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{QTCWWTWUEDCHIBVYQWXB6QPCUT}

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	2026-05-18T02:15:24.131972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84c56b4ed420c47406b885ae1f41e2a4ffd96295dc3e1f9febf24cdf05c989aa

Aliases

arxiv: 0810.3141 · arxiv_version: 0810.3141v1 · doi: 10.48550/arxiv.0810.3141 · pith_short_12: QTCWWTWUEDCH · pith_short_16: QTCWWTWUEDCHIBVY · pith_short_8: QTCWWTWU

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/QTCWWTWUEDCHIBVYQWXB6QPCUT \
  | 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: 84c56b4ed420c47406b885ae1f41e2a4ffd96295dc3e1f9febf24cdf05c989aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4aace40aadd097700cb741a141165154a762a4d4346265ed7fb089c97fc50840",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-17T12:25:40Z",
    "title_canon_sha256": "9db8c9b4409832df3a8ca6508e12732d3b417d7040e6831881a3ef39970cef2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.3141",
    "kind": "arxiv",
    "version": 1
  }
}