Pith Number

pith:E6TKT5C2

pith:2017:E6TKT5C2ZJDYGBEOGHCQQJQIAQ

not attested not anchored not stored refs pending

Incoherent lensless imaging via coherency back-propagation

Ahmed El-Halawany, Andre Beckus, Ayman F. Abouraddy, George K. Atia, H. Esat Kondakci, Morgan Monroe, Nafiseh Mohammadian

arxiv:1705.03993 v1 · 2017-05-11 · 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{E6TKT5C2ZJDYGBEOGHCQQJQIAQ}

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	2026-05-18T00:33:18.314820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27a6a9f45aca4783048e31c50826080436fa44724d807c47899428fab2d0d088

Aliases

arxiv: 1705.03993 · arxiv_version: 1705.03993v1 · doi: 10.48550/arxiv.1705.03993 · pith_short_12: E6TKT5C2ZJDY · pith_short_16: E6TKT5C2ZJDYGBEO · pith_short_8: E6TKT5C2

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/E6TKT5C2ZJDYGBEOGHCQQJQIAQ \
  | 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: 27a6a9f45aca4783048e31c50826080436fa44724d807c47899428fab2d0d088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea4a91362a4bf63ae49c366563b365c644219d6179cef7c685a6293171eb2476",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-05-11T02:34:58Z",
    "title_canon_sha256": "a9df9f58287550c33d711095bc82ea1f0fc71c9f1e9c665d961dc2b6465e4edb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03993",
    "kind": "arxiv",
    "version": 1
  }
}