Pith Number

pith:F76VLT7O

pith:2016:F76VLT7O7IBZI5GU5CVAYZANQQ

not attested not anchored not stored refs pending

Beyond the diffraction limit via optical amplification

Aglae N. Kellerer, Erez N. Ribak

arxiv:1604.06928 v1 · 2016-04-23 · astro-ph.IM · 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{F76VLT7O7IBZI5GU5CVAYZANQQ}

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	2026-05-18T01:08:09.791658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ffd55cfeefa039474d4e8aa0c640d841f250465d69f38c5570e8fdc0d19cf97

Aliases

arxiv: 1604.06928 · arxiv_version: 1604.06928v1 · doi: 10.48550/arxiv.1604.06928 · pith_short_12: F76VLT7O7IBZ · pith_short_16: F76VLT7O7IBZI5GU · pith_short_8: F76VLT7O

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/F76VLT7O7IBZI5GU5CVAYZANQQ \
  | 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: 2ffd55cfeefa039474d4e8aa0c640d841f250465d69f38c5570e8fdc0d19cf97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3056d1a0b3f171845162be71f6aab7a4d36f422fcb4dd3cb5c9f3a007e058f1",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-04-23T17:19:12Z",
    "title_canon_sha256": "0b3e983234518016aa92bd474d24d4780ddce23a7b51da65536990502a8ed6c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06928",
    "kind": "arxiv",
    "version": 1
  }
}