Pith Number

pith:LELL6Q2L

pith:2010:LELL6Q2L5HAOW4GDMYNZY5PIYE

not attested not anchored not stored refs pending

Quantum Tagging for Tags Containing Secret Classical Data

Adrian Kent (Centre for Quantum Information, DAMTP, Foundations, Perimeter Institute), University of Cambridge

arxiv:1008.5380 v6 · 2010-08-31 · quant-ph · cs.CR · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LELL6Q2L5HAOW4GDMYNZY5PIYE}

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	2026-05-18T03:23:47.752206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5916bf434be9c0eb70c3661b9c75e8c12ab71cd7a8b8293e8a4c248e2be996f7

Aliases

arxiv: 1008.5380 · arxiv_version: 1008.5380v6 · doi: 10.48550/arxiv.1008.5380 · pith_short_12: LELL6Q2L5HAO · pith_short_16: LELL6Q2L5HAOW4GD · pith_short_8: LELL6Q2L

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/LELL6Q2L5HAOW4GDMYNZY5PIYE \
  | 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: 5916bf434be9c0eb70c3661b9c75e8c12ab71cd7a8b8293e8a4c248e2be996f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7f44938847bff286496b854b996a375b3ac9c8910660a9d03ae9d54f5ebb91d",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-08-31T18:12:02Z",
    "title_canon_sha256": "8bddbea64f63205764c56cae28aa85357e1eb62a6bebe91fb793d5df58c2d20e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.5380",
    "kind": "arxiv",
    "version": 6
  }
}