Pith Number

pith:FHZMWEFM

pith:2016:FHZMWEFML7JH5NX6VUSLL2Z4PK

not attested not anchored not stored refs pending

A relational approach to quantum reference frames for spins

Jacques Pienaar

arxiv:1601.07320 v2 · 2016-01-27 · 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{FHZMWEFML7JH5NX6VUSLL2Z4PK}

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	2026-05-18T01:02:59.219887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29f2cb10ac5fd27eb6fead24b5eb3c7a849ba83b6f97efffa7375ba0bc088103

Aliases

arxiv: 1601.07320 · arxiv_version: 1601.07320v2 · doi: 10.48550/arxiv.1601.07320 · pith_short_12: FHZMWEFML7JH · pith_short_16: FHZMWEFML7JH5NX6 · pith_short_8: FHZMWEFM

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/FHZMWEFML7JH5NX6VUSLL2Z4PK \
  | 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: 29f2cb10ac5fd27eb6fead24b5eb3c7a849ba83b6f97efffa7375ba0bc088103

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91c1f7e5835b2d01d9602aa6484b23a9ce992129bbf3e8f9a90b6c028cbe5e86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-01-27T10:35:43Z",
    "title_canon_sha256": "989072455955d2bd477c6f6ff229b13d29a578071d842d4575a9c172e36cceaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07320",
    "kind": "arxiv",
    "version": 2
  }
}