Pith Number

pith:URIIJYMN

pith:2017:URIIJYMNPAVMNW2W5IR7SN3424

not attested not anchored not stored refs pending

Fundamental limit of resolving two point sources limited by an arbitrary point spread function

Amit Ashok, Ronan Kerviche, Saikat Guha

arxiv:1701.04913 v1 · 2017-01-18 · physics.optics · cs.IT · math.IT · 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{URIIJYMNPAVMNW2W5IR7SN3424}

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	2026-05-18T00:52:33.565200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a45084e18d782ac6db56ea23f9377cd708637cbd0324ee6c773310ce39c92f35

Aliases

arxiv: 1701.04913 · arxiv_version: 1701.04913v1 · doi: 10.48550/arxiv.1701.04913 · pith_short_12: URIIJYMNPAVM · pith_short_16: URIIJYMNPAVMNW2W · pith_short_8: URIIJYMN

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/URIIJYMNPAVMNW2W5IR7SN3424 \
  | 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: a45084e18d782ac6db56ea23f9377cd708637cbd0324ee6c773310ce39c92f35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4578b16509665c73a5cd0ebdd96cde4b0dbc1bc8eb3920a6685a23005267adb",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-01-18T01:08:20Z",
    "title_canon_sha256": "24b75deb5f3ae4c40328f32948b952589e6d9f940992ea4fe82435d584097d24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04913",
    "kind": "arxiv",
    "version": 1
  }
}