Pith Number

pith:IRDDGX5E

pith:2019:IRDDGX5ETIUK2WMHVMX6GRZDOB

not attested not anchored not stored refs pending

Imaging over an unlimited bandwidth with a single diffractive surface

Apratim Majumder, Berardi Sensale-Rodriguez, Monjurul Meem, Rajesh Menon, Sourangsu Banerji

arxiv:1907.06251 v1 · 2019-07-14 · 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{IRDDGX5ETIUK2WMHVMX6GRZDOB}

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	2026-05-17T23:40:38.099171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4446335fa49a28ad5987ab2fe347237051b91a1037aaf404c60ab113576d22b4

Aliases

arxiv: 1907.06251 · arxiv_version: 1907.06251v1 · doi: 10.48550/arxiv.1907.06251 · pith_short_12: IRDDGX5ETIUK · pith_short_16: IRDDGX5ETIUK2WMH · pith_short_8: IRDDGX5E

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/IRDDGX5ETIUK2WMHVMX6GRZDOB \
  | 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: 4446335fa49a28ad5987ab2fe347237051b91a1037aaf404c60ab113576d22b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05259ef53e47d8836ac4b2f8285e9f7f652751e1a1b17744278ef6159cc75629",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-07-14T17:33:42Z",
    "title_canon_sha256": "4fac34a2c3607df8cf1ea38d774c12afae37c170ce1a1e07f01cae341b732e85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06251",
    "kind": "arxiv",
    "version": 1
  }
}