Pith Number

pith:DQ2ZIPTF

pith:2021:DQ2ZIPTF36F35LB4TCH3LFDOTY

not attested not anchored not stored refs pending

X-ray Ptychography with a Laboratory Source

Andrew J. Parnell, Christoph Rau, Darren J. Batey, Frederic Van Assche, Matthieu N. Boone, Oleksandr O. Mykhaylyk, Sander Vanheule, Silvia Cipiccia

arxiv:2102.03880 v2 · 2021-02-07 · physics.app-ph · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DQ2ZIPTF36F35LB4TCH3LFDOTY}

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	2026-07-05T02:41:14.316282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c35943e65df8bbeac3c988fb5946e9e17c9d0fc8fd1f9b14851807f263015bc

Aliases

arxiv: 2102.03880 · arxiv_version: 2102.03880v2 · doi: 10.48550/arxiv.2102.03880 · pith_short_12: DQ2ZIPTF36F3 · pith_short_16: DQ2ZIPTF36F35LB4 · pith_short_8: DQ2ZIPTF

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/DQ2ZIPTF36F35LB4TCH3LFDOTY \
  | 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: 1c35943e65df8bbeac3c988fb5946e9e17c9d0fc8fd1f9b14851807f263015bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "045c4f6bf75ca3b2b8a2e2bdb2e21bad5521f0eb5cf2cdaabdc4e6f689082a12",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2021-02-07T18:53:04Z",
    "title_canon_sha256": "ad5a52a7eaa94505bf64f984268c98e6f502c091d1f376e61fe42a8f46cd28d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.03880",
    "kind": "arxiv",
    "version": 2
  }
}