pith. sign in
Pith Number

pith:QQLQX3GH

pith:2017:QQLQX3GHNLQX3WQM43P2JMK3TU
not attested not anchored not stored refs pending

The Diffuse Light of the Universe - On the microwave background before and after its discovery: open questions

Atomic Energy Commission (CEA), France), French Alternative Energies, Jean-Marc Bonnet-Bidaud (Astrophysics Department

arxiv:1701.01017 v1 · 2017-01-03 · physics.hist-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QQLQX3GHNLQX3WQM43P2JMK3TU}

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 2026-05-18T00:53:21.682859Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

84170becc76ae17dda0ce6dfa4b15b9d01db5821bdc1ae8a80605fe78fd65722

Aliases

arxiv: 1701.01017 · arxiv_version: 1701.01017v1 · doi: 10.48550/arxiv.1701.01017 · pith_short_12: QQLQX3GHNLQX · pith_short_16: QQLQX3GHNLQX3WQM · pith_short_8: QQLQX3GH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QQLQX3GHNLQX3WQM43P2JMK3TU \
  | 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: 84170becc76ae17dda0ce6dfa4b15b9d01db5821bdc1ae8a80605fe78fd65722
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "39b4a5669b1deb6713a3dd56b5c56601323bf0736e6ac96625999bf86d8c6a26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2017-01-03T19:43:48Z",
    "title_canon_sha256": "761b37305ce9156b8d75d7d98e07789d31288ead0c73057784ccf840c06bebcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01017",
    "kind": "arxiv",
    "version": 1
  }
}