Pith Number

pith:3QX237AE

pith:2019:3QX237AETGVD4O2WWGCRHG3WBY

not attested not anchored not stored refs pending

Side Window Filtering

Guoping Qiu, Hui Yin, Yuanhao Gong

arxiv:1905.07177 v1 · 2019-05-17 · 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{3QX237AETGVD4O2WWGCRHG3WBY}

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	2026-05-17T23:45:56.250480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc2fadfc0499aa3e3b56b185139b760e2b1d346a1194db5d51767d7fc2b6f81a

Aliases

arxiv: 1905.07177 · arxiv_version: 1905.07177v1 · doi: 10.48550/arxiv.1905.07177 · pith_short_12: 3QX237AETGVD · pith_short_16: 3QX237AETGVD4O2W · pith_short_8: 3QX237AE

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/3QX237AETGVD4O2WWGCRHG3WBY \
  | 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: dc2fadfc0499aa3e3b56b185139b760e2b1d346a1194db5d51767d7fc2b6f81a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bea9977930d040f7f23c1c7a7918109807ff9966474c1da73deb8678c6c9433",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-17T09:39:53Z",
    "title_canon_sha256": "ac38fb0570dd4396357cbaebe303d08e545416d3b2e5e9a8a8db2e80bb7ffd88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07177",
    "kind": "arxiv",
    "version": 1
  }
}