Pith Number

pith:S5BFTAY4

pith:2013:S5BFTAY4ETFFJJNR6OJRTEBQQN

not attested not anchored not stored refs pending

Minimum-cost quantum measurements for quantum information

Erika Andersson, Petros Wallden, Vedran Dunjko

arxiv:1312.5205 v1 · 2013-12-18 · 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{S5BFTAY4ETFFJJNR6OJRTEBQQN}

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	2026-05-18T02:56:43.616197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

974259831c24ca54a5b1f393199030836f12925f2d7d84dacb16e06caaf1c74e

Aliases

arxiv: 1312.5205 · arxiv_version: 1312.5205v1 · doi: 10.48550/arxiv.1312.5205 · pith_short_12: S5BFTAY4ETFF · pith_short_16: S5BFTAY4ETFFJJNR · pith_short_8: S5BFTAY4

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/S5BFTAY4ETFFJJNR6OJRTEBQQN \
  | 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: 974259831c24ca54a5b1f393199030836f12925f2d7d84dacb16e06caaf1c74e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63d7d745cc22bc93ad3d724e108821f8cb07b54628d0a5dbddf942af3ba09619",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-12-18T16:24:23Z",
    "title_canon_sha256": "cc256367207477c814cc2543461ac5584bc848d8007589524821ac309541da75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.5205",
    "kind": "arxiv",
    "version": 1
  }
}