Pith Number

pith:Q7EHBYBE

pith:2018:Q7EHBYBEJSTRFUXBNUJRW33BCS

not attested not anchored not stored refs pending

Communicating without shared reference frames

Alexander R. H. Smith

arxiv:1812.08053 v1 · 2018-12-19 · 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{Q7EHBYBEJSTRFUXBNUJRW33BCS}

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	2026-05-17T23:46:12.649262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87c870e0244ca712d2e16d131b6f611483974a44080fd11fc4273c03f4025ce8

Aliases

arxiv: 1812.08053 · arxiv_version: 1812.08053v1 · doi: 10.48550/arxiv.1812.08053 · pith_short_12: Q7EHBYBEJSTR · pith_short_16: Q7EHBYBEJSTRFUXB · pith_short_8: Q7EHBYBE

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/Q7EHBYBEJSTRFUXBNUJRW33BCS \
  | 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: 87c870e0244ca712d2e16d131b6f611483974a44080fd11fc4273c03f4025ce8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8000a7becb4428c21cb817836a748a8a5792a362c956a3ffc090111979191d09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-12-19T16:12:59Z",
    "title_canon_sha256": "af61b71563ff0e3a974bf3fd5a53dfe20da97a752caa73f762aaf741f23d7ddf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08053",
    "kind": "arxiv",
    "version": 1
  }
}