Pith Number

pith:G3HWRDZ7

pith:2021:G3HWRDZ77DS2PYLQOAVFSTWCLB

not attested not anchored not stored refs pending

Core Imaging Library -- Part II: Multichannel reconstruction for dynamic and spectral tomography

Claire Delplancke, Edoardo Pasca, Evangelos Papoutsellis, Evelina Ametova, Gemma Fardell, Jakob S. J{\o}rgensen, Martin Turner, Philip J. Withers, Ryan Warr, William R. B. Lionheart

arxiv:2102.06126 v2 · 2021-02-10 · physics.med-ph · cs.MS · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G3HWRDZ77DS2PYLQOAVFSTWCLB}

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	2026-07-05T03:02:45.938371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36cf688f3ff8e5a7e170702a594ec2584ae83b64a3d42f96e8c72cfac5247d0f

Aliases

arxiv: 2102.06126 · arxiv_version: 2102.06126v2 · doi: 10.48550/arxiv.2102.06126 · pith_short_12: G3HWRDZ77DS2 · pith_short_16: G3HWRDZ77DS2PYLQ · pith_short_8: G3HWRDZ7

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/G3HWRDZ77DS2PYLQOAVFSTWCLB \
  | 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: 36cf688f3ff8e5a7e170702a594ec2584ae83b64a3d42f96e8c72cfac5247d0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ac2af13ea1c1b0a92102d79ca7d6e56f41882fea1dce44020f5724b54fce9d7",
    "cross_cats_sorted": [
      "cs.MS",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2021-02-10T12:21:34Z",
    "title_canon_sha256": "d25f999589d9b1f1232ce34e36e37fb0d1f4420013b341b6b2163a1dce22e7a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.06126",
    "kind": "arxiv",
    "version": 2
  }
}