Pith Number

pith:SR7EKPKT

pith:2001:SR7EKPKTRAR44OCKQVC766QFBB

not attested not anchored not stored refs pending

Measurement of the cosmic microwave background bispectrum on the COBE DMR sky maps

Anthony J. Banday, Benjamin D. Wandelt, David N. Spergel, Eiichiro Komatsu, Krzysztof M. Gorski

arxiv:astro-ph/0107605 v1 · 2001-07-31 · astro-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{SR7EKPKTRAR44OCKQVC766QFBB}

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	2026-07-04T15:17:58.245080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

947e453d538823ce384a8545ff7a050849ac1eaf2903ece9922b817e72de44f3

Aliases

arxiv: astro-ph/0107605 · arxiv_version: astro-ph/0107605v1 · doi: 10.48550/arxiv.astro-ph/0107605 · pith_short_12: SR7EKPKTRAR4 · pith_short_16: SR7EKPKTRAR44OCK · pith_short_8: SR7EKPKT

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/SR7EKPKTRAR44OCKQVC766QFBB \
  | 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: 947e453d538823ce384a8545ff7a050849ac1eaf2903ece9922b817e72de44f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e878d40ad5265a32c5a3a19c339f2644439c85a72d54d6fa5b057c46a94e6e7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-31T20:47:06Z",
    "title_canon_sha256": "d26c94b4bf04ee98bb7840978f4bd477ef584faf4c1acc4b8430838ec797c967"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107605",
    "kind": "arxiv",
    "version": 1
  }
}