Pith Number

pith:QFFP2SPR

pith:2015:QFFP2SPR4X4OPSKVAQIGT6X3MY

not attested not anchored not stored refs pending

Coherence as a resource in decision problems: The Deutsch-Jozsa algorithm and a variation

Mark Hillery

arxiv:1512.01874 v2 · 2015-12-07 · 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{QFFP2SPR4X4OPSKVAQIGT6X3MY}

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	2026-05-18T01:20:50.129091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

814afd49f1e5f8e7c955041069fafb66106a97ce47fbe5041a9aebd74db106c1

Aliases

arxiv: 1512.01874 · arxiv_version: 1512.01874v2 · doi: 10.48550/arxiv.1512.01874 · pith_short_12: QFFP2SPR4X4O · pith_short_16: QFFP2SPR4X4OPSKV · pith_short_8: QFFP2SPR

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/QFFP2SPR4X4OPSKVAQIGT6X3MY \
  | 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: 814afd49f1e5f8e7c955041069fafb66106a97ce47fbe5041a9aebd74db106c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77d29ea511384537b19d87251acb6f02f4db044c800787a1e208f90b4ce946cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-12-07T01:43:03Z",
    "title_canon_sha256": "beac13dfaac248ce0fb6c15051309b68e86d72780c564ecceb8f96a40d476e30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01874",
    "kind": "arxiv",
    "version": 2
  }
}