Pith Number

pith:EH7OKXFN

pith:2015:EH7OKXFNF2UPCAAFXVFZCSQT2P

not attested not anchored not stored refs pending

Physics of the cosmic microwave background anisotropy

Computer Science, Durban, France, Martin Bucher (Laboratoire APC, Paris, School of Mathematics, South Africa), Statistics, Universit\'e Paris 7/CNRS, University of KwaZulu-Natal

arxiv:1501.04288 v1 · 2015-01-18 · 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{EH7OKXFNF2UPCAAFXVFZCSQT2P}

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	2026-05-18T02:29:09.460696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21fee55cad2ea8f10005bd4b914a13d3cdfe1e861f796e82d4cbd3b5f9d2cb9b

Aliases

arxiv: 1501.04288 · arxiv_version: 1501.04288v1 · doi: 10.48550/arxiv.1501.04288 · pith_short_12: EH7OKXFNF2UP · pith_short_16: EH7OKXFNF2UPCAAF · pith_short_8: EH7OKXFN

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/EH7OKXFNF2UPCAAFXVFZCSQT2P \
  | 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: 21fee55cad2ea8f10005bd4b914a13d3cdfe1e861f796e82d4cbd3b5f9d2cb9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35b516c6749cd914f4867e937a8f06033a7cbf6658922e2f59c8901ce7007bd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-01-18T12:21:47Z",
    "title_canon_sha256": "19306fbfb4c63168b85727a4728da106211b90aa00ff3e81312ceadcec592fc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04288",
    "kind": "arxiv",
    "version": 1
  }
}