Pith Number

pith:HB6RFHQ7

pith:2019:HB6RFHQ76UNNPRJKE2NXB34VON

not attested not anchored not stored refs pending

ESFNet: Efficient Network for Building Extraction from High-Resolution Aerial Images

Guangsheng Chen, Houbing Song, Jingbo Lin, Weipeng Jing

arxiv:1903.12337 v2 · 2019-03-29 · 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{HB6RFHQ76UNNPRJKE2NXB34VON}

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	2026-05-17T23:48:09.038193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

387d129e1ff51ad7c52a269b70ef95734fa7d2e828393a4dc9b6d4b6f4b96aa1

Aliases

arxiv: 1903.12337 · arxiv_version: 1903.12337v2 · doi: 10.48550/arxiv.1903.12337 · pith_short_12: HB6RFHQ76UNN · pith_short_16: HB6RFHQ76UNNPRJK · pith_short_8: HB6RFHQ7

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/HB6RFHQ76UNNPRJKE2NXB34VON \
  | 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: 387d129e1ff51ad7c52a269b70ef95734fa7d2e828393a4dc9b6d4b6f4b96aa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2690d7a4821c51ba1fc2c65d52281c17544a4f3a2772a0398d6eb07fefaeac85",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-29T03:13:19Z",
    "title_canon_sha256": "0db3bc245663e266640ac831774d05d60707e02346e61c2c280e3b8f8539ad5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12337",
    "kind": "arxiv",
    "version": 2
  }
}