Pith Number

pith:PBSNEV5O

pith:2019:PBSNEV5O6JNMA5CBPQ6DL7KFG4

not attested not anchored not stored refs pending

Photonic quantum data locking

Cosmo Lupo, Dominic W. Berry, Jonathan P. Dowling, Peter P. Rohde, Pieter Kok, Zixin Huang

arxiv:1905.03013 v3 · 2019-05-08 · 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{PBSNEV5O6JNMA5CBPQ6DL7KFG4}

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	2026-07-05T02:35:10.891770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7864d257aef25ac074417c3c35fd453708e616560a5e6f1712371167c59bae75

Aliases

arxiv: 1905.03013 · arxiv_version: 1905.03013v3 · doi: 10.48550/arxiv.1905.03013 · pith_short_12: PBSNEV5O6JNM · pith_short_16: PBSNEV5O6JNMA5CB · pith_short_8: PBSNEV5O

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/PBSNEV5O6JNMA5CBPQ6DL7KFG4 \
  | 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: 7864d257aef25ac074417c3c35fd453708e616560a5e6f1712371167c59bae75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "759d7eb195f9d2905b6fd2c71f518b1584b7af1c3c41d5fa277afa55439d1b4c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-05-08T11:40:39Z",
    "title_canon_sha256": "ec4ab47c4896f06fde7184eb0d3170d01a18ae35aa3fa91fa19fee498fe01d9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03013",
    "kind": "arxiv",
    "version": 3
  }
}