Pith Number

pith:HL7PCI4E

pith:2025:HL7PCI4EHJBZKVM55UAFZNHTM3

not attested not anchored not stored refs pending

PERC: a suite of software tools for the curation of cryoEM data with application to simulation, modelling and machine learning

Alan Lowe, Beatriz Costa-Gomes, Camila Rangel-Smith, James Parkhurst, Joel Greer, Jola Mirecka, Marjan Famili, Mark Basham, Nikolai Juraschko, Oliver Strickson, Tom Burnley

arxiv:2503.13329 v1 · 2025-03-17 · cs.LG · cs.CE · q-bio.BM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HL7PCI4EHJBZKVM55UAFZNHTM3}

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	2026-07-05T10:32:58.413299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3afef123843a4395559ded005cb4f366da8c1ca4953a54a955793eb6fc9652f9

Aliases

arxiv: 2503.13329 · arxiv_version: 2503.13329v1 · doi: 10.48550/arxiv.2503.13329 · pith_short_12: HL7PCI4EHJBZ · pith_short_16: HL7PCI4EHJBZKVM5 · pith_short_8: HL7PCI4E

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/HL7PCI4EHJBZKVM55UAFZNHTM3 \
  | 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: 3afef123843a4395559ded005cb4f366da8c1ca4953a54a955793eb6fc9652f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7cf61d5228762f885f812dbf871c462883eaf39c949b7c5c1427f6fee392884",
    "cross_cats_sorted": [
      "cs.CE",
      "q-bio.BM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-03-17T16:07:56Z",
    "title_canon_sha256": "18c34093514ea71a11277c0799bb160ffe9cc58d1a9c0cdccf57bf5b29662ae7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.13329",
    "kind": "arxiv",
    "version": 1
  }
}