Pith Number

pith:GG4SFDKF

pith:2008:GG4SFDKFOFPV2ZOI7Y47DOBWNP

not attested not anchored not stored refs pending

Signatures of non-classicality in mixed-state quantum computation

Animesh Datta, Sevag Gharibian

arxiv:0811.4003 v2 · 2008-11-25 · 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{GG4SFDKFOFPV2ZOI7Y47DOBWNP}

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	2026-05-18T03:24:42.603549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31b9228d45715f5d65c8fe39f1b8366bed309a65caa34c883772ccf1a4fadf7a

Aliases

arxiv: 0811.4003 · arxiv_version: 0811.4003v2 · doi: 10.48550/arxiv.0811.4003 · pith_short_12: GG4SFDKFOFPV · pith_short_16: GG4SFDKFOFPV2ZOI · pith_short_8: GG4SFDKF

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/GG4SFDKFOFPV2ZOI7Y47DOBWNP \
  | 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: 31b9228d45715f5d65c8fe39f1b8366bed309a65caa34c883772ccf1a4fadf7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01d4297a8fadc2dcd8afcbd819c0d2f0c25f68029e9ee038847dbb066a3b0b32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-11-25T01:16:47Z",
    "title_canon_sha256": "ad6daa2b49391f7ed59c1d60d72d9ce06cb40174bc5c00c4e43e2b16fe8cb6d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.4003",
    "kind": "arxiv",
    "version": 2
  }
}