Pith Number

pith:3DC25J5O

pith:2015:3DC25J5O4OVBREJMH7ZM3D77TR

not attested not anchored not stored refs pending

Witnessing entanglement by proxy

Andreas Winter, Dagmar Bru\ss, Hermann Kampermann, Marcus Huber, Stefan B\"auml

arxiv:1504.04575 v2 · 2015-04-17 · 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{3DC25J5O4OVBREJMH7ZM3D77TR}

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	2026-05-18T01:23:18.923990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8c5aea7aee3aa18912c3ff2cd8fff9c5eab589098e18aeca9a8c612315f923b

Aliases

arxiv: 1504.04575 · arxiv_version: 1504.04575v2 · doi: 10.48550/arxiv.1504.04575 · pith_short_12: 3DC25J5O4OVB · pith_short_16: 3DC25J5O4OVBREJM · pith_short_8: 3DC25J5O

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/3DC25J5O4OVBREJMH7ZM3D77TR \
  | 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: d8c5aea7aee3aa18912c3ff2cd8fff9c5eab589098e18aeca9a8c612315f923b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63f0bead5789a14e730bfc2108774617b48dcab7baf6606bc3da1a584a8b7451",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-17T17:06:59Z",
    "title_canon_sha256": "a6d92d70e6a21a59ca466d27e67ef1c151708d6199698e730dd02874e9205c38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04575",
    "kind": "arxiv",
    "version": 2
  }
}