Pith Number

pith:72ZOPBF7

pith:2012:72ZOPBF73OHLNN2ZZVHCRI2DNI

not attested not anchored not stored refs pending

EPR measurement and the origin of cosmic density fluctuations

Masahiro Morikawa

arxiv:1211.1739 v1 · 2012-11-08 · quant-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{72ZOPBF73OHLNN2ZZVHCRI2DNI}

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	2026-05-18T03:41:19.648455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feb2e784bfdb8eb6b759cd4e28a3436a2678fcfa224e00475cd99c2051ed93e4

Aliases

arxiv: 1211.1739 · arxiv_version: 1211.1739v1 · doi: 10.48550/arxiv.1211.1739 · pith_short_12: 72ZOPBF73OHL · pith_short_16: 72ZOPBF73OHLNN2Z · pith_short_8: 72ZOPBF7

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/72ZOPBF73OHLNN2ZZVHCRI2DNI \
  | 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: feb2e784bfdb8eb6b759cd4e28a3436a2678fcfa224e00475cd99c2051ed93e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c08e8fcca76f0d6612ac53921afca5da91cd04cab5ef16ad5a561e45ae357bad",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-11-08T01:09:56Z",
    "title_canon_sha256": "9c80046a0c66e98701d47f9244bbc8b586ac5c44ee1a2c1535e31246b979ea6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1739",
    "kind": "arxiv",
    "version": 1
  }
}