Pith Number

pith:67QQTTHI

pith:2019:67QQTTHIRZMB7PVHGKHGJ63ATH

not attested not anchored not stored refs pending

Reconstructing continuous distributions of 3D protein structure from cryo-EM images

Bonnie Berger, Ellen D. Zhong, Joseph H. Davis, Tristan Bepler

arxiv:1909.05215 v3 · 2019-09-11 · q-bio.QM · cs.CV · cs.LG · eess.IV · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{67QQTTHIRZMB7PVHGKHGJ63ATH}

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	2026-07-05T00:40:58.274444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7e109cce88e581fbea7328e64fb6099e72f73cfc27038f2d5c5408d5c3ea474

Aliases

arxiv: 1909.05215 · arxiv_version: 1909.05215v3 · doi: 10.48550/arxiv.1909.05215 · pith_short_12: 67QQTTHIRZMB · pith_short_16: 67QQTTHIRZMB7PVH · pith_short_8: 67QQTTHI

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/67QQTTHIRZMB7PVHGKHGJ63ATH \
  | 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: f7e109cce88e581fbea7328e64fb6099e72f73cfc27038f2d5c5408d5c3ea474

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b771544e16a8c7c1049c82d7fbd48f38e2269df7d2379636d52b55ac30436d2",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "eess.IV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2019-09-11T17:13:06Z",
    "title_canon_sha256": "03434b580e885f11b014f25bb8bb9015ed07be87c47d00585e2382b416e143d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.05215",
    "kind": "arxiv",
    "version": 3
  }
}