Pith Number

pith:V6V7QFUY

pith:2021:V6V7QFUY4EKZP3FTLFP3LNT3ES

not attested not anchored not stored refs pending

Core Imaging Library -- Part I: a versatile Python framework for tomographic imaging

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

arxiv:2102.04560 v2 · 2021-02-08 · math.OC · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6V7QFUY4EKZP3FTLFP3LNT3ES}

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	2026-07-05T03:02:45.752095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afabf81698e11597ecb3595fb5b67b248acbe35b44e91b868481ae201182abc7

Aliases

arxiv: 2102.04560 · arxiv_version: 2102.04560v2 · doi: 10.48550/arxiv.2102.04560 · pith_short_12: V6V7QFUY4EKZ · pith_short_16: V6V7QFUY4EKZP3FT · pith_short_8: V6V7QFUY

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/V6V7QFUY4EKZP3FTLFP3LNT3ES \
  | 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: afabf81698e11597ecb3595fb5b67b248acbe35b44e91b868481ae201182abc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a604dc67ce8dc188be8308b4de4f94c5969abf831f060bb4e4a91b1e0445db8",
    "cross_cats_sorted": [
      "cs.MS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-02-08T22:26:37Z",
    "title_canon_sha256": "e6d0ef0812c705d9e6a36ebd8747ff377d2982ab3df39d71bf9575eea362b305"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.04560",
    "kind": "arxiv",
    "version": 2
  }
}