Pith Number

pith:CHQ76WQX

pith:2019:CHQ76WQXWT3YAWIEBYC3DRQZHM

not attested not anchored not stored refs pending

Boundary-Aware Network for Fast and High-Accuracy Portrait Segmentation

Donglian Qi, Jianxin Shen, Xi Chen

arxiv:1901.03814 v1 · 2019-01-12 · 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{CHQ76WQXWT3YAWIEBYC3DRQZHM}

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	2026-05-17T23:56:26.972140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11e1ff5a17b4f78059040e05b1c6193b371395d5ea5e63e0b1263e2fac6d97b7

Aliases

arxiv: 1901.03814 · arxiv_version: 1901.03814v1 · doi: 10.48550/arxiv.1901.03814 · pith_short_12: CHQ76WQXWT3Y · pith_short_16: CHQ76WQXWT3YAWIE · pith_short_8: CHQ76WQX

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/CHQ76WQXWT3YAWIEBYC3DRQZHM \
  | 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: 11e1ff5a17b4f78059040e05b1c6193b371395d5ea5e63e0b1263e2fac6d97b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23a541578cfd1026c80ae441ed414f5ab81514b73ef8980082a59c042dcf8c3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-12T07:19:27Z",
    "title_canon_sha256": "b3bbe16f389742e28bc8b3ec23bdcf5a6fd57d05f02b289b1495ec284f75de1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03814",
    "kind": "arxiv",
    "version": 1
  }
}