Pith Number

pith:Q4YG7YWH

pith:2013:Q4YG7YWH4CIJ3KB5NZ3DKIXEDZ

not attested not anchored not stored refs pending

Quantum Steering Ellipsoids

David Jennings, Matthew F. Pusey, Sania Jevtic, Terry Rudolph

arxiv:1303.4724 v2 · 2013-03-19 · 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{Q4YG7YWH4CIJ3KB5NZ3DKIXEDZ}

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	2026-05-18T02:48:02.436842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87306fe2c7e0909da83d6e763522e41e510136d04bf4fbb4e0253118185c3472

Aliases

arxiv: 1303.4724 · arxiv_version: 1303.4724v2 · doi: 10.48550/arxiv.1303.4724 · pith_short_12: Q4YG7YWH4CIJ · pith_short_16: Q4YG7YWH4CIJ3KB5 · pith_short_8: Q4YG7YWH

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/Q4YG7YWH4CIJ3KB5NZ3DKIXEDZ \
  | 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: 87306fe2c7e0909da83d6e763522e41e510136d04bf4fbb4e0253118185c3472

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "533212eaafc69e51b935538d74150a2afaaac99521ed261747846dddf431ee95",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-03-19T19:54:56Z",
    "title_canon_sha256": "64704a5d7e0905b4f762f7b3d4474556be24fbef129e8f919d2f3bb078f4dc62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4724",
    "kind": "arxiv",
    "version": 2
  }
}