Pith Number

pith:SSCOIZIX

pith:2025:SSCOIZIXM2EPSYEG5D66TRVWDP

not attested not anchored not stored refs pending

Cryo-EM as a Stochastic Inverse Problem

Diego Sanchez Espinosa, Erik H Thiede, Yunan Yang

arxiv:2509.05541 v1 · 2025-09-05 · stat.ML · cs.LG · cs.NA · math.NA · math.OC · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSCOIZIXM2EPSYEG5D66TRVWDP}

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	2026-07-05T12:05:49.622999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9484e465176688f96086e8fde9c6b61bc106a9584b560277822f2accd2a338fa

Aliases

arxiv: 2509.05541 · arxiv_version: 2509.05541v1 · doi: 10.48550/arxiv.2509.05541 · pith_short_12: SSCOIZIXM2EP · pith_short_16: SSCOIZIXM2EPSYEG · pith_short_8: SSCOIZIX

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/SSCOIZIXM2EPSYEG5D66TRVWDP \
  | 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: 9484e465176688f96086e8fde9c6b61bc106a9584b560277822f2accd2a338fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9dfc1e27b34a9c04026564e49dd70d655b96fd35a21ab99233d9889d0c8bd03",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.NA",
      "math.OC",
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-09-05T23:35:04Z",
    "title_canon_sha256": "0c6c26efd415dd22c5cc28f537d3d1c5a87fa759cdc2191c5e5fdb5ad69890e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.05541",
    "kind": "arxiv",
    "version": 1
  }
}