Pith Number

pith:OVPCBBIJ

pith:2012:OVPCBBIJMK7ZWJ4F5C5NZE32JR

not attested not anchored not stored refs pending

The CMB and the measure of the multiverse

Michael P. Salem

arxiv:1204.1569 v2 · 2012-04-06 · hep-th · astro-ph.CO · 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{OVPCBBIJMK7ZWJ4F5C5NZE32JR}

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	2026-05-18T01:57:56.024137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

755e20850962bf9b2785e8badc937a4c5d8f28171552a60a14e9e0561276ae8b

Aliases

arxiv: 1204.1569 · arxiv_version: 1204.1569v2 · doi: 10.48550/arxiv.1204.1569 · pith_short_12: OVPCBBIJMK7Z · pith_short_16: OVPCBBIJMK7ZWJ4F · pith_short_8: OVPCBBIJ

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/OVPCBBIJMK7ZWJ4F5C5NZE32JR \
  | 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: 755e20850962bf9b2785e8badc937a4c5d8f28171552a60a14e9e0561276ae8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4f74df9cc38759419d5332d1b85b9bf8b2a8ac8f85fc3b8d577132af3a79777",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-04-06T21:45:27Z",
    "title_canon_sha256": "9f5f346b31514165e62f21edfdd433795bccc3287556913bbbffdbac0fb181d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1569",
    "kind": "arxiv",
    "version": 2
  }
}