Pith Number

pith:QZHJ7XUO

pith:2014:QZHJ7XUO5OBUTBGTPNFKXQYPH6

not attested not anchored not stored refs pending

Relic photon temperature versus redshift and the cosmic neutrino background

Ralf Hofmann

arxiv:1407.1266 v3 · 2014-07-02 · physics.gen-ph · 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{QZHJ7XUO5OBUTBGTPNFKXQYPH6}

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	2026-05-18T01:42:41.868514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

864e9fde8eeb834984d37b4aabc30f3fa2cb22a1ab565d63040ec5988eb21880

Aliases

arxiv: 1407.1266 · arxiv_version: 1407.1266v3 · doi: 10.48550/arxiv.1407.1266 · pith_short_12: QZHJ7XUO5OBU · pith_short_16: QZHJ7XUO5OBUTBGT · pith_short_8: QZHJ7XUO

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/QZHJ7XUO5OBUTBGTPNFKXQYPH6 \
  | 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: 864e9fde8eeb834984d37b4aabc30f3fa2cb22a1ab565d63040ec5988eb21880

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "236e7a25f350a87b9e6394df3236b35835f0fb8d6175b13a4f90a8c8310b6254",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2014-07-02T07:13:59Z",
    "title_canon_sha256": "255ad73e46d67ce00a51397e00ccd0c12b1e885f1b5a0964a9222b5a5fb2d1e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1266",
    "kind": "arxiv",
    "version": 3
  }
}