Pith Number

pith:VCTXCBCQ

pith:2023:VCTXCBCQTCQVE6JLFTQZPHZC3L

not attested not anchored not stored refs pending

3D-POP -- An automated annotation approach to facilitate markerless 2D-3D tracking of freely moving birds with marker-based motion capture

Alex Hoi Hang Chan, Fumihiro Kano, Hemal Naik, Iain D. Couzin, Junran Yang, M\'at\'e Nagy, Mathilde Delacoux

arxiv:2303.13174 v1 · 2023-03-23 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VCTXCBCQTCQVE6JLFTQZPHZC3L}

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	2026-07-05T05:53:58.960440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8a771045098a152792b2ce1979f22dacdf0c6c24cdf4e48dd44e1db2bd2cb80

Aliases

arxiv: 2303.13174 · arxiv_version: 2303.13174v1 · doi: 10.48550/arxiv.2303.13174 · pith_short_12: VCTXCBCQTCQV · pith_short_16: VCTXCBCQTCQVE6JL · pith_short_8: VCTXCBCQ

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/VCTXCBCQTCQVE6JLFTQZPHZC3L \
  | 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: a8a771045098a152792b2ce1979f22dacdf0c6c24cdf4e48dd44e1db2bd2cb80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d3dc2b7aa7c5c12fe8a044c87a0740170ae65af814b597d1c9b633a058b17b3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-03-23T11:03:18Z",
    "title_canon_sha256": "f6a289a0459c18776062fabcde3bc6eea886cd064cab8e704ef7b216b7391e15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.13174",
    "kind": "arxiv",
    "version": 1
  }
}