Pith Number

pith:EWYPYZOH

pith:2016:EWYPYZOH7JO5DC47ALWYX7THHJ

not attested not anchored not stored refs pending

Suppression of DC term in Fresnel digital holography by sequence subtraction of holograms

Chol-Su Kim, Jong-Chol Kang, Song-Jin Im

arxiv:1604.03190 v1 · 2016-04-12 · 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{EWYPYZOH7JO5DC47ALWYX7THHJ}

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	2026-05-18T01:17:16.203894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25b0fc65c7fa5dd18b9f02ed8bfe673a5757f7ab845902132955a9348027b672

Aliases

arxiv: 1604.03190 · arxiv_version: 1604.03190v1 · doi: 10.48550/arxiv.1604.03190 · pith_short_12: EWYPYZOH7JO5 · pith_short_16: EWYPYZOH7JO5DC47 · pith_short_8: EWYPYZOH

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/EWYPYZOH7JO5DC47ALWYX7THHJ \
  | 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: 25b0fc65c7fa5dd18b9f02ed8bfe673a5757f7ab845902132955a9348027b672

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abee0bdb15311d98055e1f9fee9fbdcc32701e006d9560dadb052773015c61bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-04-12T01:05:44Z",
    "title_canon_sha256": "9d48c686a709dee5894cd32a6c65b108f429d09a466931f149558a149b479251"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03190",
    "kind": "arxiv",
    "version": 1
  }
}