Pith Number

pith:PJR2ZPCS

pith:2015:PJR2ZPCSGKQJUYLJMRFVZ4Q3PG

not attested not anchored not stored refs pending

Metrology with Unknown Detectors

Fabrizia Somma, Marco Barbieri, Marco G. Genoni, Matteo Altorio

arxiv:1511.07132 v1 · 2015-11-23 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PJR2ZPCSGKQJUYLJMRFVZ4Q3PG}

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	2026-05-18T01:18:30.587693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a63acbc5232a09a6169644b5cf21b799fad3bdfab9d1ee3d0a06bcbfa726fa0

Aliases

arxiv: 1511.07132 · arxiv_version: 1511.07132v1 · doi: 10.48550/arxiv.1511.07132 · pith_short_12: PJR2ZPCSGKQJ · pith_short_16: PJR2ZPCSGKQJUYLJ · pith_short_8: PJR2ZPCS

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/PJR2ZPCSGKQJUYLJMRFVZ4Q3PG \
  | 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: 7a63acbc5232a09a6169644b5cf21b799fad3bdfab9d1ee3d0a06bcbfa726fa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "215c06570a8903b924721d3d2dbf5312469b8be4f38de33c9a544e2db1e9d26d",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-11-23T08:25:48Z",
    "title_canon_sha256": "8f648599e5253c39f917a05400b443103851e991b2127aac20546d61608032f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07132",
    "kind": "arxiv",
    "version": 1
  }
}