Pith Number

pith:PMXIJKBU

pith:2021:PMXIJKBUJ5FWAZYS4QRY7SFRZQ

not attested not anchored not stored refs pending

Random access codes via quantum contextual redundancy

Daniel Huerga, Enrique Solano, Giancarlo Gatti, Mikel Sanz

arxiv:2103.01204 v3 · 2021-03-01 · 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{PMXIJKBUJ5FWAZYS4QRY7SFRZQ}

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	2026-07-05T05:33:43.394707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b2e84a8344f4b606712e4238fc8b1cc003848d1ec023de947bca6cdb145053e

Aliases

arxiv: 2103.01204 · arxiv_version: 2103.01204v3 · doi: 10.48550/arxiv.2103.01204 · pith_short_12: PMXIJKBUJ5FW · pith_short_16: PMXIJKBUJ5FWAZYS · pith_short_8: PMXIJKBU

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/PMXIJKBUJ5FWAZYS4QRY7SFRZQ \
  | 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: 7b2e84a8344f4b606712e4238fc8b1cc003848d1ec023de947bca6cdb145053e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28a6e6a5b31b92090e236a45f99e59f718f8d48d4da4239cfe265cdf803db757",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-03-01T18:50:46Z",
    "title_canon_sha256": "697398ca9a99483ae348cbb02a51d2fbfa11685ad50599e9d4d22b40da790ce8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.01204",
    "kind": "arxiv",
    "version": 3
  }
}