Pith Number

pith:DZ456S5Y

pith:2016:DZ456S5YB6JC5F4ZQSMAXOWD2I

not attested not anchored not stored refs pending

SHARP: a distributed, GPU-based ptychographic solver

Benedikt J. Daurer, David A. Shapiro, Filipe R.N.C. Maia, Hari Krishnan, James A. Sethian, Stefano Marchesini, Talita Perciano

arxiv:1602.01448 v2 · 2016-01-30 · physics.data-an · math.OC · 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{DZ456S5YB6JC5F4ZQSMAXOWD2I}

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	2026-05-18T01:10:51.141196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e79df4bb80f922e979984980bbac3d22340e78938001d083b2a5d0d9052dd04

Aliases

arxiv: 1602.01448 · arxiv_version: 1602.01448v2 · doi: 10.48550/arxiv.1602.01448 · pith_short_12: DZ456S5YB6JC · pith_short_16: DZ456S5YB6JC5F4Z · pith_short_8: DZ456S5Y

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/DZ456S5YB6JC5F4ZQSMAXOWD2I \
  | 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: 1e79df4bb80f922e979984980bbac3d22340e78938001d083b2a5d0d9052dd04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "584d65566d2d940ee731c7e978e18136a6c4d92a084c7fbc4dff1e94b47b5d3c",
    "cross_cats_sorted": [
      "math.OC",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2016-01-30T00:16:29Z",
    "title_canon_sha256": "0df23fcfdbab68feb131d42cf362e3082711b587b5d265455ef0287bfbfc43c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01448",
    "kind": "arxiv",
    "version": 2
  }
}