Pith Number

pith:YKPQBOHK

pith:2003:YKPQBOHKNCQII7CASUE6UCWPPV

not attested not anchored not stored refs pending

Entanglement constrained by superselection rules

H. M. Wiseman, Stephen D. Bartlett

arxiv:quant-ph/0303140 v3 · 2003-03-23 · 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{YKPQBOHKNCQII7CASUE6UCWPPV}

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	2026-07-04T14:46:08.836809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c29f00b8ea68a0847c409509ea0acf7d7ca4aa76081b216205701a650086b130

Aliases

arxiv: quant-ph/0303140 · arxiv_version: quant-ph/0303140v3 · doi: 10.48550/arxiv.quant-ph/0303140 · pith_short_12: YKPQBOHKNCQI · pith_short_16: YKPQBOHKNCQII7CA · pith_short_8: YKPQBOHK

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/YKPQBOHKNCQII7CASUE6UCWPPV \
  | 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: c29f00b8ea68a0847c409509ea0acf7d7ca4aa76081b216205701a650086b130

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f044d3d81a4685676df4d2b20f98c3fd4c07d2fa83f8ef399bad3e25c578693e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-03-23T00:25:41Z",
    "title_canon_sha256": "0023910c281a2cb008017f79075dc475be2df1269048385afe92962007bb6286"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0303140",
    "kind": "arxiv",
    "version": 3
  }
}