Pith Number

pith:4QA5PENJ

pith:2018:4QA5PENJJJEQBBDXFU6YKLDDPA

not attested not anchored not stored refs pending

Quantum randomness in the Sky

Arkaprava Mukherjee, Sayantan Choudhury

arxiv:1812.04107 v2 · 2018-11-25 · physics.gen-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{4QA5PENJJJEQBBDXFU6YKLDDPA}

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	2026-05-17T23:41:21.941395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e401d791a94a490084772d3d852c63782ea6a4a70f18839d85333a4850343ff0

Aliases

arxiv: 1812.04107 · arxiv_version: 1812.04107v2 · doi: 10.48550/arxiv.1812.04107 · pith_short_12: 4QA5PENJJJEQ · pith_short_16: 4QA5PENJJJEQBBDX · pith_short_8: 4QA5PENJ

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/4QA5PENJJJEQBBDXFU6YKLDDPA \
  | 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: e401d791a94a490084772d3d852c63782ea6a4a70f18839d85333a4850343ff0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "445207a7878f460e22b155543ec85c41d9585c751728045f058c58eceab7cb02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2018-11-25T15:21:43Z",
    "title_canon_sha256": "bd5647d07a9055bd5c2fea6125391aa41c8965997e19485516f9115ea974941b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04107",
    "kind": "arxiv",
    "version": 2
  }
}