Pith Number

pith:EJZ5JYSD

pith:2022:EJZ5JYSDIUMKASO2GH5LQXQM3W

not attested not anchored not stored refs pending

Three-dimensional contrast transfer function in phase-contrast tomography

Darren A. Thompson, Konstantin M. Pavlov, Timur E. Gureyev, Yakov I. Nesterets

arxiv:2206.02688 v2 · 2022-05-23 · physics.med-ph · 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{EJZ5JYSDIUMKASO2GH5LQXQM3W}

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	2026-07-05T06:09:19.904879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2273d4e2434518a049da31fab85e0cddbfe78ae9da77fdc3602fccaf7158cc85

Aliases

arxiv: 2206.02688 · arxiv_version: 2206.02688v2 · doi: 10.48550/arxiv.2206.02688 · pith_short_12: EJZ5JYSDIUMK · pith_short_16: EJZ5JYSDIUMKASO2 · pith_short_8: EJZ5JYSD

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/EJZ5JYSDIUMKASO2GH5LQXQM3W \
  | 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: 2273d4e2434518a049da31fab85e0cddbfe78ae9da77fdc3602fccaf7158cc85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bfe5e4ccd9c63c43306ab2d8506b4a03e300208fb00e254491338b63f15a9d5",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2022-05-23T07:46:15Z",
    "title_canon_sha256": "ac46b9b5790a96cb98cab88193ff3a9ac1a4bc539124366612bb8cf65f416e68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.02688",
    "kind": "arxiv",
    "version": 2
  }
}