Pith Number

pith:ECR2UM2R

pith:2008:ECR2UM2RE3CD6KS6PAGDKSBF74

not attested not anchored not stored refs pending

Non-secret correlations can be used to distribute secrecy

Antonio Acin, Joonwoo Bae, Toby Cubitt

arxiv:0806.1606 v1 · 2008-06-10 · 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{ECR2UM2RE3CD6KS6PAGDKSBF74}

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	2026-05-18T04:40:34.199787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20a3aa335126c43f2a5e780c354825ff2cbe2b81fb1a12a1f24adba7bee976cc

Aliases

arxiv: 0806.1606 · arxiv_version: 0806.1606v1 · doi: 10.48550/arxiv.0806.1606 · pith_short_12: ECR2UM2RE3CD · pith_short_16: ECR2UM2RE3CD6KS6 · pith_short_8: ECR2UM2R

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/ECR2UM2RE3CD6KS6PAGDKSBF74 \
  | 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: 20a3aa335126c43f2a5e780c354825ff2cbe2b81fb1a12a1f24adba7bee976cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39b95a6680d6a79d18b3541f0c3bd6d0f831dc32f04187219a6fe9883e0a01e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-06-10T09:19:00Z",
    "title_canon_sha256": "25a50223813c073bed0e266192538dd0347d9163167e4dbfee1de88d166e6ba5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.1606",
    "kind": "arxiv",
    "version": 1
  }
}