Pith Number

pith:EPN3YNEG

pith:2001:EPN3YNEGG56VROYVKPV6BLNPZD

not attested not anchored not stored refs pending

On the Measurement of Qubits

Andrew G. White, Daniel F. V. James, Paul G. Kwiat, William J. Munro

arxiv:quant-ph/0103121 v1 · 2001-03-21 · 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{EPN3YNEGG56VROYVKPV6BLNPZD}

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

Polarization, Maximal Concurrence, and Pure States in High-Energy Collisions

Receipt and verification

First computed	2026-05-18T01:05:05.003090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23dbbc3486377d58bb1553ebe0adafc8c30a6848bce6ae33d438a52b99a7caba

Aliases

arxiv: quant-ph/0103121 · arxiv_version: quant-ph/0103121v1 · doi: 10.48550/arxiv.quant-ph/0103121 · pith_short_12: EPN3YNEGG56V · pith_short_16: EPN3YNEGG56VROYV · pith_short_8: EPN3YNEG

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/EPN3YNEGG56VROYVKPV6BLNPZD \
  | 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: 23dbbc3486377d58bb1553ebe0adafc8c30a6848bce6ae33d438a52b99a7caba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "415088b6527ad7050da8a159727af0adaabdf679fa1f0e05a922ce5bdf0205e1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-03-21T00:47:10Z",
    "title_canon_sha256": "30fbe8c4e975efe9eeac1958a0218ea24d0ffb6e3a005a21c52a782df08ec5f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0103121",
    "kind": "arxiv",
    "version": 1
  }
}