Pith Number

pith:OUOHRCQK

pith:2026:OUOHRCQK3LBUK7PYTGS3LCQ6XM

not attested not anchored not stored refs pending

Quantifying Avian Morphological Evolution through Deep Representation Learning

Jiao Sun

arxiv:2602.03824 v2 · 2026-02-03 · q-bio.PE · cs.CV · 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{OUOHRCQK3LBUK7PYTGS3LCQ6XM}

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	2026-07-21T02:21:30.004723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

751c788a0adac3457df899a5b58a1ebb2ad05f22eaf611807b139222c36308d0

Aliases

arxiv: 2602.03824 · arxiv_version: 2602.03824v2 · doi: 10.48550/arxiv.2602.03824 · pith_short_12: OUOHRCQK3LBU · pith_short_16: OUOHRCQK3LBUK7PY · pith_short_8: OUOHRCQK

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/OUOHRCQK3LBUK7PYTGS3LCQ6XM \
  | 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: 751c788a0adac3457df899a5b58a1ebb2ad05f22eaf611807b139222c36308d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dc617acd27b2355a4da340ebc64a68c810bca3521326a96a8434189fbef05d5",
    "cross_cats_sorted": [
      "cs.CV",
      "q-bio.QM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2026-02-03T18:32:15Z",
    "title_canon_sha256": "8a4e541f20cf6acaf48beacd1a6172f39e6c9d8bbd92121370867e6de596394e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.03824",
    "kind": "arxiv",
    "version": 2
  }
}