Pith Number

pith:7M54PJXF

pith:2010:7M54PJXF5OH4X663AWFAYXBLYZ

not attested not anchored not stored refs pending

The evolution of the Cosmic Microwave Background Temperature: Measurements of TCMB at high redshift from carbon monoxide excitation

C. Ledoux, P. Noterdaeme, P. Petitjean, R. Srianand, S. Lopez

arxiv:1012.3164 v1 · 2010-12-14 · 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{7M54PJXF5OH4X663AWFAYXBLYZ}

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	2026-05-18T02:04:24.777896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb3bc7a6e5eb8fcbfbdb058a0c5c2bc64be99f3fee9daf1ece430253d89619e2

Aliases

arxiv: 1012.3164 · arxiv_version: 1012.3164v1 · doi: 10.48550/arxiv.1012.3164 · pith_short_12: 7M54PJXF5OH4 · pith_short_16: 7M54PJXF5OH4X663 · pith_short_8: 7M54PJXF

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/7M54PJXF5OH4X663AWFAYXBLYZ \
  | 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: fb3bc7a6e5eb8fcbfbdb058a0c5c2bc64be99f3fee9daf1ece430253d89619e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cf29e7759a07b474145e47ec49fca8ba4484f25ebe3a1f17d4b334bccbd026e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-14T21:00:01Z",
    "title_canon_sha256": "7f35ec2f7faa1d0d21ebd1c222d6da23ff40578b1179ef13ac32d7a4219dd432"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3164",
    "kind": "arxiv",
    "version": 1
  }
}