Pith Number

pith:YPIWZ3BZ

pith:2018:YPIWZ3BZGTGVTDPUV365YBNPIZ

not attested not anchored not stored refs pending

Aberrated dark-field imaging systems

David M. Paganin, Mario A. Beltran

arxiv:1809.06855 v3 · 2018-09-18 · eess.IV · 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{YPIWZ3BZGTGVTDPUV365YBNPIZ}

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	2026-05-17T23:59:05.099944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3d16cec3934cd598df4aefddc05af464b28c3cceb5be442e1f28db2861a4bf1

Aliases

arxiv: 1809.06855 · arxiv_version: 1809.06855v3 · doi: 10.48550/arxiv.1809.06855 · pith_short_12: YPIWZ3BZGTGV · pith_short_16: YPIWZ3BZGTGVTDPU · pith_short_8: YPIWZ3BZ

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/YPIWZ3BZGTGVTDPUV365YBNPIZ \
  | 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: c3d16cec3934cd598df4aefddc05af464b28c3cceb5be442e1f28db2861a4bf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dddb038ed426ab0849b4ffa2e7e0d61fb1da2075119b2128be0b75e224dd73b7",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2018-09-18T12:35:10Z",
    "title_canon_sha256": "3f3fe7363551f36d7a0974178aa5bb8814f590aed2293a4d2a4779b6cb35c41d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06855",
    "kind": "arxiv",
    "version": 3
  }
}