Pith Number

pith:6KCNP52Q

pith:2015:6KCNP52QW5WZMNUMZKEHC5W5RM

not attested not anchored not stored refs pending

Improvement of the image quality of random phase--free holography using an iterative method

Daisuke Hiyama, Marie Sano, Minoru Oikawa, Ryuji Hirayama, Satoki Hasegawa, Takashige Sugie, Takashi Kakue, Tomoyoshi Ito, Tomoyoshi Shimobaba, Yuki Nagahama, Yutaka Endo

arxiv:1504.01424 v1 · 2015-04-06 · physics.optics · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6KCNP52QW5WZMNUMZKEHC5W5RM}

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	2026-05-18T02:19:27.253441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f284d7f750b76d96368cca887176dd8b25559b8bac65e03df4f606322c359c80

Aliases

arxiv: 1504.01424 · arxiv_version: 1504.01424v1 · doi: 10.48550/arxiv.1504.01424 · pith_short_12: 6KCNP52QW5WZ · pith_short_16: 6KCNP52QW5WZMNUM · pith_short_8: 6KCNP52Q

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/6KCNP52QW5WZMNUMZKEHC5W5RM \
  | 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: f284d7f750b76d96368cca887176dd8b25559b8bac65e03df4f606322c359c80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a13120b6e13b60b485c735d00b8a3828557fe83b0fb87fbe1348cf8f44b2f3d",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-04-06T21:51:09Z",
    "title_canon_sha256": "d7873256802120f336c33c038445842bf713c2ee133d9ef01bfa366847bb2232"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01424",
    "kind": "arxiv",
    "version": 1
  }
}