Pith Number

pith:N7FVY35Z

pith:2013:N7FVY35ZT4L5KDCHQI5ADZMQCN

not attested not anchored not stored refs pending

Photon counting compressive depth mapping

Daniel J. Lum, Gregory A. Howland, John C. Howell, Matthew R. Ware

arxiv:1309.4385 v1 · 2013-09-17 · physics.optics · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N7FVY35ZT4L5KDCHQI5ADZMQCN}

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	2026-05-18T01:47:36.429034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fcb5c6fb99f17d50c47823a01e590136ce07da18438725930e524565fd411b9

Aliases

arxiv: 1309.4385 · arxiv_version: 1309.4385v1 · doi: 10.48550/arxiv.1309.4385 · pith_short_12: N7FVY35ZT4L5 · pith_short_16: N7FVY35ZT4L5KDCH · pith_short_8: N7FVY35Z

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/N7FVY35ZT4L5KDCHQI5ADZMQCN \
  | 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: 6fcb5c6fb99f17d50c47823a01e590136ce07da18438725930e524565fd411b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e19ccd9e40e4a83a74b48f9762bed2fd83d0afca939062eb3570ca959c53985",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-09-17T16:51:32Z",
    "title_canon_sha256": "060636e76b5bbdc21375e5049090322f6c8a23ae728e4da8b50a7ade289d9bbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4385",
    "kind": "arxiv",
    "version": 1
  }
}