Pith Number

pith:DQ7NMXHI

pith:2012:DQ7NMXHILPNBQCAJVY5B3KSROG

not attested not anchored not stored refs pending

A precise and accurate determination of the cosmic microwave background temperature at z=0.89

4), 7), 9) ((1) Department of Earth, A. Beelen (2), Australia (4) ARC Centre of Excellence for All-sky Astrophysics (CAASTRO) (5) Observatoire de Paris, Bonn, Chalmers University of Technology, C. Henkel (8, C. Horellou (1), CNRS, F. Combes (5), France (3) Sydney Institute for Astronomy, France (6) Institut de Radioastronomie Millim\'etrique, France (7) Ecole Normale Sup\'erieure/LERMA, France (8) Max-Planck-Institut f\"ur Radioastonomie, Germany (9) Astron. Dept., Jeddah, J. H. Black (1), King Abdulaziz University, LERMA, M. Guelin (6, Onsala, Onsala Space Observatory, Orsay cedex, Paris, S. Aalto (1), Saudi Arabia), School of Physics, S. J. Curran (3, S. Muller (1), Space Sciences, St Martin d'H\`eres, Sweden (2) Institut d'Astrophysique Spatiale, The University of Sydney, Universit\'e Paris-Sud

arxiv:1212.5456 v1 · 2012-12-21 · 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{DQ7NMXHILPNBQCAJVY5B3KSROG}

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	2026-05-18T01:52:29.276091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c3ed65ce85bda180809ae3a1daa5171ba74c7572d24bd5e89fde058631cd3ef

Aliases

arxiv: 1212.5456 · arxiv_version: 1212.5456v1 · doi: 10.48550/arxiv.1212.5456 · pith_short_12: DQ7NMXHILPNB · pith_short_16: DQ7NMXHILPNBQCAJ · pith_short_8: DQ7NMXHI

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/DQ7NMXHILPNBQCAJVY5B3KSROG \
  | 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: 1c3ed65ce85bda180809ae3a1daa5171ba74c7572d24bd5e89fde058631cd3ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09c29a37a338e2350d96769ffae840bdb1ea131bd99c4a7aa9833e694ecae9ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-21T14:22:12Z",
    "title_canon_sha256": "9b7fc56ab8b9461815c184dc81dd4e3def5fb0b5a437e931438901d5b13a60f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5456",
    "kind": "arxiv",
    "version": 1
  }
}