Pith Number

pith:F2KLCP4Y

pith:2021:F2KLCP4Y5OKXKQ7B7ZIEOBI3W7

not attested not anchored not stored refs pending

TextOCR: Towards large-scale end-to-end reasoning for arbitrary-shaped scene text

Amanpreet Singh, Guan Pang, Jing Huang, Mandy Toh, Tal Hassner, Wojciech Galuba

arxiv:2105.05486 v1 · 2021-05-12 · 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{F2KLCP4Y5OKXKQ7B7ZIEOBI3W7}

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	2026-07-05T02:39:51.434284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e94b13f98eb957543e1fe5047051bb7c5d512157aea8c3dba9c50ddc675ff72

Aliases

arxiv: 2105.05486 · arxiv_version: 2105.05486v1 · doi: 10.48550/arxiv.2105.05486 · pith_short_12: F2KLCP4Y5OKX · pith_short_16: F2KLCP4Y5OKXKQ7B · pith_short_8: F2KLCP4Y

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/F2KLCP4Y5OKXKQ7B7ZIEOBI3W7 \
  | 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: 2e94b13f98eb957543e1fe5047051bb7c5d512157aea8c3dba9c50ddc675ff72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88d9008aefddd2bb0ee29a6a4d37682340cd9d4bcca8d466bbff7ed56920fab1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-05-12T07:50:42Z",
    "title_canon_sha256": "b975ffb9c8156b5541462bc6d184307f88a474e5108383762c2a31ee6f0e58e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.05486",
    "kind": "arxiv",
    "version": 1
  }
}