Pith Number

pith:KFSQJCFM

pith:2020:KFSQJCFMZAPIB2YSX3CIIQLNPW

not attested not anchored not stored refs pending

Automated Measurements of Key Morphological Features of Human Embryos for IVF

Brian D. Leahy, Charlotte Royston, Dalit Ben-Yosef, Daniel Needleman, Donglai Wei, Foad Azem, Hanspeter Pfister, Helen Y. Yang, Kylie R. Lee, Liz Cam, Robbert Struyven, Won-Dong Jang, Yael Kalma, Zhe Sun

arxiv:2006.00067 v2 · 2020-05-29 · cs.CV · cs.LG · q-bio.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KFSQJCFMZAPIB2YSX3CIIQLNPW}

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	2026-07-05T01:20:37.508452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51650488acc81e80eb12bec484416d7dad70447dd49d202186ac453a277bbcc0

Aliases

arxiv: 2006.00067 · arxiv_version: 2006.00067v2 · doi: 10.48550/arxiv.2006.00067 · pith_short_12: KFSQJCFMZAPI · pith_short_16: KFSQJCFMZAPIB2YS · pith_short_8: KFSQJCFM

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/KFSQJCFMZAPIB2YSX3CIIQLNPW \
  | 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: 51650488acc81e80eb12bec484416d7dad70447dd49d202186ac453a277bbcc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e46c3d96af5340801e000f06fbd4a03fa40400f535e0e01cd6672c6f836a77f",
    "cross_cats_sorted": [
      "cs.LG",
      "q-bio.OT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-05-29T20:27:17Z",
    "title_canon_sha256": "1101373feec27e2858142978cf4ff7ceacab58719145f929a8a69bca6656ab30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.00067",
    "kind": "arxiv",
    "version": 2
  }
}