Pith Number

pith:L5GK6M2U

pith:2019:L5GK6M2UUETVLCCMAZCODXEABI

not attested not anchored not stored refs pending

Bi-Directional Cascade Network for Perceptual Edge Detection

Jianzhong He, Ming Yang, Shiliang Zhang, Tiejun Huang, Yanhu Shan

arxiv:1902.10903 v1 · 2019-02-28 · 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{L5GK6M2UUETVLCCMAZCODXEABI}

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	2026-07-05T02:50:26.283479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f4caf3354a12755884c0644e1dc800a0a7dbe9bde5c1db3273c68363b28d578

Aliases

arxiv: 1902.10903 · arxiv_version: 1902.10903v1 · doi: 10.48550/arxiv.1902.10903 · pith_short_12: L5GK6M2UUETV · pith_short_16: L5GK6M2UUETVLCCM · pith_short_8: L5GK6M2U

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/L5GK6M2UUETVLCCMAZCODXEABI \
  | 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: 5f4caf3354a12755884c0644e1dc800a0a7dbe9bde5c1db3273c68363b28d578

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a3a55f515d7ab2c38b2c2dace71abd765f6605855229d1ed49c52ca4d196734",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-28T05:35:15Z",
    "title_canon_sha256": "85f80a162cdc7f855e4b4caae6bd9af0942fa14aa6d3e1df75ff5a1fcb6eeac2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10903",
    "kind": "arxiv",
    "version": 1
  }
}