Pith Number

pith:RSMPDD3X

pith:2018:RSMPDD3XLY5RC3CG7ZCZPHW6AK

not attested not anchored not stored refs pending

Unexpected Topology of the Temperature Fluctuations in the Cosmic Microwave Background

Armin Schwartzman, Bernard J.T. Jones, Herbert Edelsbrunner, Hubert Wagner, Pratyush Pranav, Rien van de Weygaert, Robert J. Adler, Thomas Buchert

arxiv:1812.07678 v1 · 2018-12-18 · astro-ph.CO · astro-ph.IM · math.AT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RSMPDD3XLY5RC3CG7ZCZPHW6AK}

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	2026-05-17T23:40:03.998921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c98f18f775e3b116c46fe45979ede02a67683c0b236095c1e546a61545d3524

Aliases

arxiv: 1812.07678 · arxiv_version: 1812.07678v1 · doi: 10.48550/arxiv.1812.07678 · pith_short_12: RSMPDD3XLY5R · pith_short_16: RSMPDD3XLY5RC3CG · pith_short_8: RSMPDD3X

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/RSMPDD3XLY5RC3CG7ZCZPHW6AK \
  | 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: 8c98f18f775e3b116c46fe45979ede02a67683c0b236095c1e546a61545d3524

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8a043237cb7a30640de311af24620e01a8c8a4745fd9a35f2173a19567e3980",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-12-18T22:43:30Z",
    "title_canon_sha256": "147180c8872c09d670da5fef35d9c529f1df4a56f7bce4afb470648cda0d56d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07678",
    "kind": "arxiv",
    "version": 1
  }
}