Pith Number

pith:3LF3ATRI

pith:2015:3LF3ATRIHWQLV75JKDL362DUKR

not attested not anchored not stored refs pending

Microscopic Advances with Large-Scale Learning: Stochastic Optimization for Cryo-EM

Ali Punjani, Marcus A. Brubaker

arxiv:1501.04656 v2 · 2015-01-19 · stat.ML · cs.CV · cs.LG · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3LF3ATRIHWQLV75JKDL362DUKR}

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	2026-05-18T02:28:31.006909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dacbb04e283da0baffa950d7bf6874544c022b3624bc779b0e6c5773594a5f40

Aliases

arxiv: 1501.04656 · arxiv_version: 1501.04656v2 · doi: 10.48550/arxiv.1501.04656 · pith_short_12: 3LF3ATRIHWQL · pith_short_16: 3LF3ATRIHWQLV75J · pith_short_8: 3LF3ATRI

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/3LF3ATRIHWQLV75JKDL362DUKR \
  | 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: dacbb04e283da0baffa950d7bf6874544c022b3624bc779b0e6c5773594a5f40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34cb48cb8d359e76510fe9512ab54b48236ace09c3f6d5e1f098b1807ee09f1b",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-01-19T22:07:27Z",
    "title_canon_sha256": "675d94d0fd11d71dfaecf2defc2aa8b2e352936886c9d4d9fdb8ac68ef487a52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04656",
    "kind": "arxiv",
    "version": 2
  }
}