Pith Number

pith:MWWBV2PD

pith:2013:MWWBV2PDJLJYPTFPYIZGSG6JIA

not attested not anchored not stored refs pending

Measurement of a spin-1 system

Antonio Di Lorenzo

arxiv:1309.2127 v2 · 2013-09-09 · 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{MWWBV2PDJLJYPTFPYIZGSG6JIA}

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	2026-05-18T01:33:57.199180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65ac1ae9e34ad387ccafc232691bc9402337a995e70cccc18d7ac16fece71759

Aliases

arxiv: 1309.2127 · arxiv_version: 1309.2127v2 · doi: 10.48550/arxiv.1309.2127 · pith_short_12: MWWBV2PDJLJY · pith_short_16: MWWBV2PDJLJYPTFP · pith_short_8: MWWBV2PD

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/MWWBV2PDJLJYPTFPYIZGSG6JIA \
  | 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: 65ac1ae9e34ad387ccafc232691bc9402337a995e70cccc18d7ac16fece71759

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21bd25dfbe74ab9079e4dcee2deb5860e6cadea043d101fd4d74ced6ed1df1dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-09-09T12:11:23Z",
    "title_canon_sha256": "2e01854acb2a067fb8f104d2ad6e27c007a8a2753b449e906d828987203042ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2127",
    "kind": "arxiv",
    "version": 2
  }
}