Pith Number

pith:E4E4FMHT

pith:2017:E4E4FMHTACAOEZKLX6F3XGFPNQ

not attested not anchored not stored refs pending

Robust and Fast Decoding of High-Capacity Color QR Codes for Mobile Applications

Chen Change Loy, Huanle Xu, Jianyuan Deng, Wing Cheong Lau, Zhibo Yang

arxiv:1704.06447 v3 · 2017-04-21 · 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{E4E4FMHTACAOEZKLX6F3XGFPNQ}

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	2026-05-18T00:03:09.881216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2709c2b0f30080e2654bbf8bbb98af6c1b5dbb7f8ebe0960ae1e21263fbc1ccf

Aliases

arxiv: 1704.06447 · arxiv_version: 1704.06447v3 · doi: 10.48550/arxiv.1704.06447 · pith_short_12: E4E4FMHTACAO · pith_short_16: E4E4FMHTACAOEZKL · pith_short_8: E4E4FMHT

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/E4E4FMHTACAOEZKLX6F3XGFPNQ \
  | 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: 2709c2b0f30080e2654bbf8bbb98af6c1b5dbb7f8ebe0960ae1e21263fbc1ccf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "287f7d235b29eb89c87f13df5d8e0f9632d05a74d9c99cfd2840f56c52000303",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-04-21T09:01:43Z",
    "title_canon_sha256": "733a1a444f7bbd934ebeaa18c523340bcd50b4e39f6a0ded108aa38602f3f3aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06447",
    "kind": "arxiv",
    "version": 3
  }
}