Pith Number

pith:B4KCMGJS

pith:2011:B4KCMGJSGIOV27FKFI7BT6QJG7

not attested not anchored not stored refs pending

Recovering quantum information through partial access to the environment

Chiara Macchiavello, Laleh Memarzadeh, Stefano Mancini

arxiv:1101.3768 v1 · 2011-01-19 · 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{B4KCMGJSGIOV27FKFI7BT6QJG7}

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	2026-05-18T02:22:51.243684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f14261932321d5d7caa2a3e19fa0937fd7256b5a23e20f353383a699f4db436

Aliases

arxiv: 1101.3768 · arxiv_version: 1101.3768v1 · doi: 10.48550/arxiv.1101.3768 · pith_short_12: B4KCMGJSGIOV · pith_short_16: B4KCMGJSGIOV27FK · pith_short_8: B4KCMGJS

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/B4KCMGJSGIOV27FKFI7BT6QJG7 \
  | 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: 0f14261932321d5d7caa2a3e19fa0937fd7256b5a23e20f353383a699f4db436

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a99d533c5e20efaa59de0566e632bb72a810b54fa2faeb76ea3e3969b75e642",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-01-19T20:28:19Z",
    "title_canon_sha256": "8941a5cb5ea0609e26696c4d370968d005bacf8d5aae2456ad9ea22ec871705c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3768",
    "kind": "arxiv",
    "version": 1
  }
}