Pith Number

pith:ICNW23SB

pith:2010:ICNW23SBS6HBJLDHLK6A2DRSX2

not attested not anchored not stored refs pending

Classical system boundaries cannot be determined within quantum Darwinism

Chris Fields

arxiv:1008.0283 v4 · 2010-08-02 · 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{ICNW23SBS6HBJLDHLK6A2DRSX2}

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	2026-05-18T04:04:06.949726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

409b6d6e41978e14ac675abc0d0e32bead37afcb547d45cc3b14a0ff08fd63df

Aliases

arxiv: 1008.0283 · arxiv_version: 1008.0283v4 · doi: 10.48550/arxiv.1008.0283 · pith_short_12: ICNW23SBS6HB · pith_short_16: ICNW23SBS6HBJLDH · pith_short_8: ICNW23SB

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/ICNW23SBS6HBJLDHLK6A2DRSX2 \
  | 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: 409b6d6e41978e14ac675abc0d0e32bead37afcb547d45cc3b14a0ff08fd63df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "818c575a54055a1cc0e42a817bf11f02848310b2f476f00fef979e2697df58b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-08-02T12:00:43Z",
    "title_canon_sha256": "282f6033386c44b42c31fe5fed267dc647d357f402d9d1770ffe9876e45c9783"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0283",
    "kind": "arxiv",
    "version": 4
  }
}