Pith Number

pith:EPWXOIDS

pith:2015:EPWXOIDS5Y3LIRNQIW2OSFD6PJ

not attested not anchored not stored refs pending

On the Colbeck-Renner Theorem

Klaas Landsman

arxiv:1509.08498 v2 · 2015-09-28 · math-ph · math.MP · 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{EPWXOIDS5Y3LIRNQIW2OSFD6PJ}

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	2026-05-18T01:22:35.898365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23ed772072ee36b445b045b4e9147e7a57cad46bde372badb6cba917136d2668

Aliases

arxiv: 1509.08498 · arxiv_version: 1509.08498v2 · doi: 10.48550/arxiv.1509.08498 · pith_short_12: EPWXOIDS5Y3L · pith_short_16: EPWXOIDS5Y3LIRNQ · pith_short_8: EPWXOIDS

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/EPWXOIDS5Y3LIRNQIW2OSFD6PJ \
  | 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: 23ed772072ee36b445b045b4e9147e7a57cad46bde372badb6cba917136d2668

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b84458f3bd72ab9756b34e1ff86909d853c98c5b8e654bc02bac02ddea7e178c",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-09-28T20:41:24Z",
    "title_canon_sha256": "7d6faca2c4eed5d43b327bfeea935386cf7f21a3b9fae9a4fe79b5ebc18d7d96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08498",
    "kind": "arxiv",
    "version": 2
  }
}