Pith Number

pith:H227ZEAZ

pith:2019:H227ZEAZ3CILJIUOYY3R55COCO

not attested not anchored not stored refs pending

The iWildCam 2019 Challenge Dataset

Dan Morris, Pietro Perona, Sara Beery

arxiv:1907.07617 v1 · 2019-07-15 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H227ZEAZ3CILJIUOYY3R55COCO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:40:21.565193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3eb5fc9019d890b4a28ec6371ef44e1384ebfba62cbb68571f688eedfa070c75

Aliases

arxiv: 1907.07617 · arxiv_version: 1907.07617v1 · doi: 10.48550/arxiv.1907.07617 · pith_short_12: H227ZEAZ3CIL · pith_short_16: H227ZEAZ3CILJIUO · pith_short_8: H227ZEAZ

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/H227ZEAZ3CILJIUOYY3R55COCO \
  | 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: 3eb5fc9019d890b4a28ec6371ef44e1384ebfba62cbb68571f688eedfa070c75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1120169ffda54a329bf038bb3ce8834a56897ee3957b617e184884da6978ab4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-15T21:57:00Z",
    "title_canon_sha256": "b6f7f738ad67b60a1ae9b49610ef52f9732b2cda5bad6e724d93135849fb060f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07617",
    "kind": "arxiv",
    "version": 1
  }
}