Pith Number

pith:NUZU3VMI

pith:2013:NUZU3VMIL23MF6TFQOMXDA7XU6

not attested not anchored not stored refs pending

Protecting Information Against Computational Errors and Quantum Erasures via Concatenation

Francisco M. de Assis, Gilson O. dos Santos

arxiv:1305.4591 v1 · 2013-05-20 · 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{NUZU3VMIL23MF6TFQOMXDA7XU6}

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	2026-05-18T03:25:16.599890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d334dd5885eb6c2fa6583997183f7a7ac52758e49296db3b8f5d2bcb70cced9

Aliases

arxiv: 1305.4591 · arxiv_version: 1305.4591v1 · doi: 10.48550/arxiv.1305.4591 · pith_short_12: NUZU3VMIL23M · pith_short_16: NUZU3VMIL23MF6TF · pith_short_8: NUZU3VMI

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/NUZU3VMIL23MF6TFQOMXDA7XU6 \
  | 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: 6d334dd5885eb6c2fa6583997183f7a7ac52758e49296db3b8f5d2bcb70cced9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79647e8543c2958919fdf956eef2cfb4bd3e876f350ea5a7ece3cdd31cd29aef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-05-20T17:55:10Z",
    "title_canon_sha256": "e6cbee73ea7660155f4d25f65f02342a92d0eb3a3b3fb333aec9a4a94f0a3be3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4591",
    "kind": "arxiv",
    "version": 1
  }
}