Pith Number

pith:EYDCZTJX

pith:2018:EYDCZTJXG7BSR7L5XZ5PKECBKY

not attested not anchored not stored refs pending

Phase diffusion quantum entropy source on a silicon chip

Albert Capdevila, Carlos Abell\'an, David Domenech, Miquel Rud\'e, Morgan W. Mitchell, Valerio Pruneri, Waldimar Amaya

arxiv:1804.04482 v1 · 2018-04-12 · quant-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{EYDCZTJXG7BSR7L5XZ5PKECBKY}

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	2026-05-18T00:18:37.422299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26062ccd3737c328fd7dbe7af510415606fe24d03e839c4045ec9acbbbc30bd5

Aliases

arxiv: 1804.04482 · arxiv_version: 1804.04482v1 · doi: 10.48550/arxiv.1804.04482 · pith_short_12: EYDCZTJXG7BS · pith_short_16: EYDCZTJXG7BSR7L5 · pith_short_8: EYDCZTJX

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/EYDCZTJXG7BSR7L5XZ5PKECBKY \
  | 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: 26062ccd3737c328fd7dbe7af510415606fe24d03e839c4045ec9acbbbc30bd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3aef37de111beb9006497a51960a00ce10285b027ef595ab1dd2c450c5ff593",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-04-12T12:59:05Z",
    "title_canon_sha256": "f0276d8b4c520a2b97c64c9d14ed7c34edccbea84539ab4ed329879126cfa2d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04482",
    "kind": "arxiv",
    "version": 1
  }
}