Pith Number

pith:R2GGXCUY

pith:2012:R2GGXCUYEPKBKJCSKEAFBXQDWP

not attested not anchored not stored refs pending

A model-theoretic interpretation of environmentally-induced superselection

Chris Fields

arxiv:1202.1019 v2 · 2012-02-05 · 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{R2GGXCUYEPKBKJCSKEAFBXQDWP}

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	2026-05-18T03:42:44.574131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e8c6b8a9823d4152452510050de03b3e413184f20d6f953ffa8c4b709223fd8

Aliases

arxiv: 1202.1019 · arxiv_version: 1202.1019v2 · doi: 10.48550/arxiv.1202.1019 · pith_short_12: R2GGXCUYEPKB · pith_short_16: R2GGXCUYEPKBKJCS · pith_short_8: R2GGXCUY

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/R2GGXCUYEPKBKJCSKEAFBXQDWP \
  | 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: 8e8c6b8a9823d4152452510050de03b3e413184f20d6f953ffa8c4b709223fd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d1ead3a3343912d552a30f8276ee404bf7c3f551b2340ef234332f38405c9cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-02-05T23:38:21Z",
    "title_canon_sha256": "f375fdc076b6bb711d207d866e5ff019095215f816a70e0142fcdbdac70a3d43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1019",
    "kind": "arxiv",
    "version": 2
  }
}