Pith Number

pith:EQCMQ5U2

pith:2021:EQCMQ5U2ZHTMC67SYPD6XI7OF6

not attested not anchored not stored refs pending

Practical Wide-Angle Portraits Correction with Deep Structured Models

Haoqiang Fan, Jiangyu Liu, Jing Tan, Pengfei Xiong, Shan Zhao, Shuaicheng Liu

arxiv:2104.12464 v3 · 2021-04-26 · 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{EQCMQ5U2ZHTMC67SYPD6XI7OF6}

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	2026-07-05T02:35:54.332783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2404c8769ac9e6c17bf2c3c7eba3ee2fa3ef4ad76d1ed82caefa18602ab052b4

Aliases

arxiv: 2104.12464 · arxiv_version: 2104.12464v3 · doi: 10.48550/arxiv.2104.12464 · pith_short_12: EQCMQ5U2ZHTM · pith_short_16: EQCMQ5U2ZHTMC67S · pith_short_8: EQCMQ5U2

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/EQCMQ5U2ZHTMC67SYPD6XI7OF6 \
  | 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: 2404c8769ac9e6c17bf2c3c7eba3ee2fa3ef4ad76d1ed82caefa18602ab052b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90132019ad7aeda7122ca59a620fe771fdf373794ebfb70a77243cff46d818e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-26T10:47:35Z",
    "title_canon_sha256": "28b54465f6acb30a03fc45204b8e82a0b41f46c8d32d3d092c0c591d033065ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.12464",
    "kind": "arxiv",
    "version": 3
  }
}