Pith Number

pith:CT4BFBWW

pith:2017:CT4BFBWWQILNQUBGO25P4A5642

not attested not anchored not stored refs pending

What Quantum Measurements Measure

Robert B. Griffiths

arxiv:1704.08725 v2 · 2017-04-27 · 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{CT4BFBWWQILNQUBGO25P4A5642}

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	2026-05-18T00:34:51.071606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14f81286d68216d8502676bafe03bee6b7714e117c67ca7adeef66b00ea2350a

Aliases

arxiv: 1704.08725 · arxiv_version: 1704.08725v2 · doi: 10.48550/arxiv.1704.08725 · pith_short_12: CT4BFBWWQILN · pith_short_16: CT4BFBWWQILNQUBG · pith_short_8: CT4BFBWW

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/CT4BFBWWQILNQUBGO25P4A5642 \
  | 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: 14f81286d68216d8502676bafe03bee6b7714e117c67ca7adeef66b00ea2350a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d872cb9f8ae27423a864ff5b7a7b75c31bc7d751bbc712b9caf923d5ce09e69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-04-27T19:24:30Z",
    "title_canon_sha256": "aa46703d385cb69a533b9b82339aa6329cc56220db1df4151e160f7eb6da3d40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08725",
    "kind": "arxiv",
    "version": 2
  }
}