Pith Number

pith:OU2M2XLE

pith:2019:OU2M2XLEGXPR3VIAZG7SZJL64Y

not attested not anchored not stored refs pending

Dynamic Feature Fusion for Semantic Edge Detection

Jiashi Feng, Xiang Li, Yuan Hu, Yunpeng Chen

arxiv:1902.09104 v1 · 2019-02-25 · 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{OU2M2XLEGXPR3VIAZG7SZJL64Y}

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	2026-05-17T23:52:46.626528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7534cd5d6435df1dd500c9bf2ca57ee637adcdd24dbc433b676bd4c9b016a864

Aliases

arxiv: 1902.09104 · arxiv_version: 1902.09104v1 · doi: 10.48550/arxiv.1902.09104 · pith_short_12: OU2M2XLEGXPR · pith_short_16: OU2M2XLEGXPR3VIA · pith_short_8: OU2M2XLE

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/OU2M2XLEGXPR3VIAZG7SZJL64Y \
  | 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: 7534cd5d6435df1dd500c9bf2ca57ee637adcdd24dbc433b676bd4c9b016a864

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9de5a3caafaa0543a44358b29c5548798e46970a003eeb2f41a404aca6b9eab6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-25T06:36:13Z",
    "title_canon_sha256": "ecd7a49a20fc27a25f7cb448f1e4fcb8983d52717fefc8b2701212ae15c80615"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09104",
    "kind": "arxiv",
    "version": 1
  }
}