Pith Number

pith:NAHT72R7

pith:2017:NAHT72R7I5N2I6UMA46ORRMH45

not attested not anchored not stored refs pending

Compressive Direct Imaging of a Billion-Dimensional Optical Phase-Space

Daniel J. Lum, James Schneeloch, John C. Howell, Samuel H. Knarr

arxiv:1712.02746 v2 · 2017-12-07 · 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{NAHT72R7I5N2I6UMA46ORRMH45}

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	2026-05-18T00:06:05.514638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

680f3fea3f475ba47a8c073ce8c587e773b639311f5f6f6bcf009df29c60ab3d

Aliases

arxiv: 1712.02746 · arxiv_version: 1712.02746v2 · doi: 10.48550/arxiv.1712.02746 · pith_short_12: NAHT72R7I5N2 · pith_short_16: NAHT72R7I5N2I6UM · pith_short_8: NAHT72R7

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/NAHT72R7I5N2I6UMA46ORRMH45 \
  | 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: 680f3fea3f475ba47a8c073ce8c587e773b639311f5f6f6bcf009df29c60ab3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "accdd16260a560ed9a60c5816ba0ca6def6b0ada4a7544daf34f8d795c58217b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-12-07T17:44:34Z",
    "title_canon_sha256": "94f4d0e5cc282a9954426055d777e7897eaefcdbf8ff4a04e45afea9f368cbe1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.02746",
    "kind": "arxiv",
    "version": 2
  }
}