Pith Number

pith:FSOGNV6C

pith:2022:FSOGNV6CP3IA4M7KGCXJSQKD2A

not attested not anchored not stored refs pending

Fast unified reconstruction algorithm for conventional, phase-contrast and diffraction tomography

Hamish G. Brown, Harry M. Quiney, Leslie J. Allen, Timur E. Gureyev

arxiv:2206.09151 v4 · 2022-06-18 · 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{FSOGNV6CP3IA4M7KGCXJSQKD2A}

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	2026-07-05T05:22:48.568595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c9c66d7c27ed00e33ea30ae994143d00899cb0d33d27c4a62fee4d4f579b9aa

Aliases

arxiv: 2206.09151 · arxiv_version: 2206.09151v4 · doi: 10.48550/arxiv.2206.09151 · pith_short_12: FSOGNV6CP3IA · pith_short_16: FSOGNV6CP3IA4M7K · pith_short_8: FSOGNV6C

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/FSOGNV6CP3IA4M7KGCXJSQKD2A \
  | 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: 2c9c66d7c27ed00e33ea30ae994143d00899cb0d33d27c4a62fee4d4f579b9aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b6b2b50eeeca37f2153e1951d570408d9bf0964a1a7e7d34c7bb502b13c3ee0",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2022-06-18T08:51:23Z",
    "title_canon_sha256": "b82cc32de9e0be621723b92527c519c95a731619337e5ce28b4def3358d95d68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.09151",
    "kind": "arxiv",
    "version": 4
  }
}