Pith Number

pith:CGHTNKIH

pith:2003:CGHTNKIHN237K3C25HDFFJNFCE

not attested not anchored not stored refs pending

Objective properties from subjective quantum states: Environment as a witness

David Poulin, Harold Ollivier, Wojciech H. Zurek

arxiv:quant-ph/0307229 v2 · 2003-07-30 · 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{CGHTNKIHN237K3C25HDFFJNFCE}

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.

Cited by

1 paper in Pith

Spacetime and Universal Soft Modes --- Black Holes and Beyond

Receipt and verification

First computed	2026-07-04T16:42:34.679796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

118f36a9076eb7f56c5ae9c652a5a5113ef9bfc7e3110af9ed8f53764d057256

Aliases

arxiv: quant-ph/0307229 · arxiv_version: quant-ph/0307229v2 · doi: 10.48550/arxiv.quant-ph/0307229 · pith_short_12: CGHTNKIHN237 · pith_short_16: CGHTNKIHN237K3C2 · pith_short_8: CGHTNKIH

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/CGHTNKIHN237K3C25HDFFJNFCE \
  | 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: 118f36a9076eb7f56c5ae9c652a5a5113ef9bfc7e3110af9ed8f53764d057256

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d3c259a5ff743b4ec541fb555028f8833427ab2bdfea692988822ea2c206fb4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-07-30T14:22:27Z",
    "title_canon_sha256": "93a6ade0306de52036276370e897264a4089fdc6883267c1ffbdc7610bc31418"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0307229",
    "kind": "arxiv",
    "version": 2
  }
}