Pith Number

pith:6HMEQQ4F

pith:2022:6HMEQQ4FQJQKY43J67TRJIWPJJ

not attested not anchored not stored refs pending

Microwave Background Temperature at a Redshift of 6.34 from H2O Absorption

Axel Weiss, Christopher L. Carilli, Dominik A. Riechers, Fabian Walter, Pierre Cox, Roberto Decarli, Roberto Neri

arxiv:2202.00693 v1 · 2022-02-01 · astro-ph.GA · 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{6HMEQQ4FQJQKY43J67TRJIWPJJ}

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.

Cited by

1 paper in Pith

Revisiting the temperature evolution law of the CMB with gaussian processes

Receipt and verification

First computed	2026-07-05T03:53:26.515995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1d84843858260ac7369f7e714a2cf4a5fad07264ac351e7422c78aff487ba51

Aliases

arxiv: 2202.00693 · arxiv_version: 2202.00693v1 · doi: 10.48550/arxiv.2202.00693 · pith_short_12: 6HMEQQ4FQJQK · pith_short_16: 6HMEQQ4FQJQKY43J · pith_short_8: 6HMEQQ4F

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/6HMEQQ4FQJQKY43J67TRJIWPJJ \
  | 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: f1d84843858260ac7369f7e714a2cf4a5fad07264ac351e7422c78aff487ba51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "281771e2eb4fbd840bee6e2a0e684cf42793c66d793d1264dbdba061a800b917",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-02-01T19:00:03Z",
    "title_canon_sha256": "2be07578bf8468bf41c928c3d012a15cd7351e3c4ea4702f7393db283ccd64bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.00693",
    "kind": "arxiv",
    "version": 1
  }
}