Pith Number

pith:DY22ZSHB

pith:2021:DY22ZSHBSSE664EZ4IKCG2PHSI

not attested not anchored not stored refs pending

Unknown-box Approximation to Improve Optical Character Recognition Performance

Allegra Latimer, Ayantha Randika, Nilanjan Ray, Xiao Xiao

arxiv:2105.07983 v1 · 2021-05-17 · 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{DY22ZSHBSSE664EZ4IKCG2PHSI}

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	2026-07-05T02:40:46.851667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e35acc8e19489ef7099e2142369e792040785a92f7251b4a246453091dbf0fc

Aliases

arxiv: 2105.07983 · arxiv_version: 2105.07983v1 · doi: 10.48550/arxiv.2105.07983 · pith_short_12: DY22ZSHBSSE6 · pith_short_16: DY22ZSHBSSE664EZ · pith_short_8: DY22ZSHB

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/DY22ZSHBSSE664EZ4IKCG2PHSI \
  | 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: 1e35acc8e19489ef7099e2142369e792040785a92f7251b4a246453091dbf0fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "055780f7bb093b48e6a33a18e3d32d2f3b4273fdbb343b3edca5c846c4955a24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-05-17T16:09:15Z",
    "title_canon_sha256": "d0f408674146ff0c64c01b0911df86aba859807f2c638a6a2112366011c7b528"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.07983",
    "kind": "arxiv",
    "version": 1
  }
}