Pith Number

pith:I6PCLCQF

pith:2013:I6PCLCQFMTEJWNZOU3CBLHRCD4

not attested not anchored not stored refs pending

Detection methods to rule out completely co-positive and bi-entangling operations

C. Macchiavello, M. Rossi

arxiv:1312.4732 v1 · 2013-12-17 · 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{I6PCLCQFMTEJWNZOU3CBLHRCD4}

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	2026-05-18T03:04:23.254087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

479e258a0564c89b372ea6c4159e221f06891841fd906a2642927c1913c1d9eb

Aliases

arxiv: 1312.4732 · arxiv_version: 1312.4732v1 · doi: 10.48550/arxiv.1312.4732 · pith_short_12: I6PCLCQFMTEJ · pith_short_16: I6PCLCQFMTEJWNZO · pith_short_8: I6PCLCQF

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/I6PCLCQFMTEJWNZOU3CBLHRCD4 \
  | 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: 479e258a0564c89b372ea6c4159e221f06891841fd906a2642927c1913c1d9eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fd15b84226df980d0dd7c6c7a0e82a154d9406da385cc2b3509a4188cf76d0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-12-17T11:52:52Z",
    "title_canon_sha256": "93940094a37f092a45a422a5c309e159fd52d8f974578f3abd48bc2b3c2cade8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4732",
    "kind": "arxiv",
    "version": 1
  }
}