Pith Number

pith:JBPU27DM

pith:2021:JBPU27DML3PTL2M4W2FRVMOGHB

not attested not anchored not stored refs pending

An end-to-end Optical Character Recognition approach for ultra-low-resolution printed text images

Carola-Bibiane Sch\"onlieb, Julian D. Gilbey

arxiv:2105.04515 v1 · 2021-05-10 · 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{JBPU27DML3PTL2M4W2FRVMOGHB}

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	2026-07-05T02:38:57.914125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

485f4d7c6c5edf35e99cb68b1ab1c63857103e1307a3679a1567470873f395d2

Aliases

arxiv: 2105.04515 · arxiv_version: 2105.04515v1 · doi: 10.48550/arxiv.2105.04515 · pith_short_12: JBPU27DML3PT · pith_short_16: JBPU27DML3PTL2M4 · pith_short_8: JBPU27DM

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/JBPU27DML3PTL2M4W2FRVMOGHB \
  | 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: 485f4d7c6c5edf35e99cb68b1ab1c63857103e1307a3679a1567470873f395d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b300dda93ed01d6b5d39c7758ac18991ea9549bb1c5a47af2b8b118db4e0950",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-05-10T17:08:06Z",
    "title_canon_sha256": "0e424f8057958b19c481b586347520ee06bd87fdde5304b1ab5eebbdf9a198bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.04515",
    "kind": "arxiv",
    "version": 1
  }
}