Pith Number

pith:AQR3JXI4

pith:2019:AQR3JXI4IB4JELX4BCNGHF5S7E

not attested not anchored not stored refs pending

Machine-learning enables Image Reconstruction and Classification in a "see-through" camera

Brian Rodriguez, Rajesh Menon, Zhimeng Pan

arxiv:1908.09401 v1 · 2019-08-25 · 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{AQR3JXI4IB4JELX4BCNGHF5S7E}

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	2026-07-04T23:59:39.737172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0423b4dd1c4078922efc089a6397b2f927a97896bf4634cd00b4236a9053e7dd

Aliases

arxiv: 1908.09401 · arxiv_version: 1908.09401v1 · doi: 10.48550/arxiv.1908.09401 · pith_short_12: AQR3JXI4IB4J · pith_short_16: AQR3JXI4IB4JELX4 · pith_short_8: AQR3JXI4

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/AQR3JXI4IB4JELX4BCNGHF5S7E \
  | 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: 0423b4dd1c4078922efc089a6397b2f927a97896bf4634cd00b4236a9053e7dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02a83ff2b1f340242d6f274930bc2baa560fe26df28d998b39e44ae2411f8c43",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-08-25T22:11:46Z",
    "title_canon_sha256": "97615d15605eb6e05aab0e2a87d5072daac58a72c53b425c9be855b4c952aaca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09401",
    "kind": "arxiv",
    "version": 1
  }
}