Pith Number

pith:ENYSRCB5

pith:2026:ENYSRCB5SKGKHDOOQFCBDM47BJ

not attested not anchored not stored refs pending

Cosmic microwave background temperature cosmography

C. J. A. P. Martins

arxiv:2607.23535 v1 · 2026-07-26 · astro-ph.CO · gr-qc · hep-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{ENYSRCB5SKGKHDOOQFCBDM47BJ}

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	2026-07-28T01:22:58.086324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

237128883d928ca38dce814411b39f0a7561efcf8b9a4613bf03e88c3c6a4483

Aliases

arxiv: 2607.23535 · arxiv_version: 2607.23535v1 · doi: 10.48550/arxiv.2607.23535 · pith_short_12: ENYSRCB5SKGK · pith_short_16: ENYSRCB5SKGKHDOO · pith_short_8: ENYSRCB5

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/ENYSRCB5SKGKHDOOQFCBDM47BJ \
  | 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: 237128883d928ca38dce814411b39f0a7561efcf8b9a4613bf03e88c3c6a4483

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fb9f3a82ce5971b7dc820a090ee95c74e2e6d4e30ae0bf3059f89f3f39f2da8",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-07-26T08:11:09Z",
    "title_canon_sha256": "6db6edbfd1051d0943147999fe1f1311410d6b1a789cded68ec2aabf1fc754ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.23535",
    "kind": "arxiv",
    "version": 1
  }
}