Pith Number

pith:73YEOC24

pith:2015:73YEOC24R4BYSLUHYTO4T3TGZP

not attested not anchored not stored refs pending

Perfectly secure steganography: hiding information in the quantum noise of a photograph

Anthony Martin, Bruno Sanguinetti, Giulia Traverso, Hugo Zbinden, Jonathan Lavoie

arxiv:1509.07106 v1 · 2015-09-23 · quant-ph · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{73YEOC24R4BYSLUHYTO4T3TGZP}

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	2026-05-18T01:21:54.101737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fef0470b5c8f03892e87c4ddc9ee66cbd2bad5a62b93e6a37981817eb5458258

Aliases

arxiv: 1509.07106 · arxiv_version: 1509.07106v1 · doi: 10.48550/arxiv.1509.07106 · pith_short_12: 73YEOC24R4BY · pith_short_16: 73YEOC24R4BYSLUH · pith_short_8: 73YEOC24

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/73YEOC24R4BYSLUHYTO4T3TGZP \
  | 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: fef0470b5c8f03892e87c4ddc9ee66cbd2bad5a62b93e6a37981817eb5458258

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac7085fb26a20e76dd7957ef688e3d9773544215acb97bfbe43fb0e27b56bb06",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-09-23T19:38:01Z",
    "title_canon_sha256": "84ebed6db0eebbb951b16ceb29cc9e8e2390eee6039942e405312868c1a16550"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07106",
    "kind": "arxiv",
    "version": 1
  }
}