Pith Number

pith:A5S65MBE

pith:2002:A5S65MBEACOI34UJLLM6IBIGPC

not attested not anchored not stored refs pending

Authentication of Quantum Messages

Adam Smith, Alain Tapp, Claude Crepeau, Daniel Gottesman, Howard Barnum

arxiv:quant-ph/0205128 v1 · 2002-05-20 · 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{A5S65MBEACOI34UJLLM6IBIGPC}

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	2026-05-18T00:57:44.753167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0765eeb024009c8df2895ad9e4050678bbe4d36edbeabc019fd97abb0330e3be

Aliases

arxiv: quant-ph/0205128 · arxiv_version: quant-ph/0205128v1 · doi: 10.48550/arxiv.quant-ph/0205128 · pith_short_12: A5S65MBEACOI · pith_short_16: A5S65MBEACOI34UJ · pith_short_8: A5S65MBE

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/A5S65MBEACOI34UJLLM6IBIGPC \
  | 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: 0765eeb024009c8df2895ad9e4050678bbe4d36edbeabc019fd97abb0330e3be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96da69b3f6212d909861234c92617acdf388eced453635a290b07fb77c4d73a3",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-05-20T17:01:58Z",
    "title_canon_sha256": "127e4e81912e69715762b4acc9136b792a981cfa4446e3fb4fc27592020bb1b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0205128",
    "kind": "arxiv",
    "version": 1
  }
}