Pith Number

pith:UMCTQF2S

pith:2012:UMCTQF2S3WY36SINGJ7FZ5H5DA

not attested not anchored not stored refs pending

Quantum memories and error correction

James R. Wootton

arxiv:1210.3207 v1 · 2012-10-11 · 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{UMCTQF2S3WY36SINGJ7FZ5H5DA}

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	2026-05-18T01:53:56.766236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a305381752ddb1bf490d327e5cf4fd182711df14c45a763da066e9a1fea9cb37

Aliases

arxiv: 1210.3207 · arxiv_version: 1210.3207v1 · doi: 10.48550/arxiv.1210.3207 · pith_short_12: UMCTQF2S3WY3 · pith_short_16: UMCTQF2S3WY36SIN · pith_short_8: UMCTQF2S

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/UMCTQF2S3WY36SINGJ7FZ5H5DA \
  | 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: a305381752ddb1bf490d327e5cf4fd182711df14c45a763da066e9a1fea9cb37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40c2e447243cabb06b5d3a5be6ed164f50ce523ce7343f71d51837972418b739",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-10-11T12:31:37Z",
    "title_canon_sha256": "bb183f7f7f1b8dabbdf43792474b5d1149be2f59d688224e135c9fa8591e1a44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.3207",
    "kind": "arxiv",
    "version": 1
  }
}