Pith Number

pith:PGKNUQER

pith:2016:PGKNUQERWZ2VWGOI3B6PV54IZR

not attested not anchored not stored refs pending

Grading of Mammalian Cumulus Oocyte Complexes using Machine Learning for in Vitro Embryo Culture

Phalgun Chintala, Rahul Dutta, Subhamoy Mandal, Tobias Weiser, Viswanath P Sudarshan

arxiv:1603.01739 v1 · 2016-03-05 · cs.CV · eess.IV · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PGKNUQERWZ2VWGOI3B6PV54IZR}

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	2026-05-17T23:56:39.183720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7994da4091b6755b19c8d87cfaf788cc653857fb1968948c9ec4ede3f7853639

Aliases

arxiv: 1603.01739 · arxiv_version: 1603.01739v1 · doi: 10.48550/arxiv.1603.01739 · pith_short_12: PGKNUQERWZ2V · pith_short_16: PGKNUQERWZ2VWGOI · pith_short_8: PGKNUQER

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/PGKNUQERWZ2VWGOI3B6PV54IZR \
  | 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: 7994da4091b6755b19c8d87cfaf788cc653857fb1968948c9ec4ede3f7853639

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "008664b991f917bb5847993283f13e6ade3e259b04fe4ccfb82a97054cb98b41",
    "cross_cats_sorted": [
      "eess.IV",
      "physics.med-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-03-05T16:27:43Z",
    "title_canon_sha256": "26eb1a982dfde557ad7443112777eb0addccc20af77c37a59960f1f9def8dd60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.01739",
    "kind": "arxiv",
    "version": 1
  }
}