Pith Number

pith:EZN2A55L

pith:2021:EZN2A55LCMOVD552IDSQE4ZE3S

not attested not anchored not stored refs pending

Synthetic Map Generation to Provide Unlimited Training Data for Historical Map Text Detection

Craig A. Knoblock, Qianmu Yu, Runyu Guan, Yao-Yi Chiang, Zekun Li

arxiv:2112.06104 v1 · 2021-12-12 · cs.CV · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EZN2A55LCMOVD552IDSQE4ZE3S}

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	2026-07-05T03:40:10.344334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

265ba077ab131d51f7ba40e5027324dc86f78f4d42accd8910e7f7fba0a03e44

Aliases

arxiv: 2112.06104 · arxiv_version: 2112.06104v1 · doi: 10.48550/arxiv.2112.06104 · pith_short_12: EZN2A55LCMOV · pith_short_16: EZN2A55LCMOVD552 · pith_short_8: EZN2A55L

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/EZN2A55LCMOVD552IDSQE4ZE3S \
  | 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: 265ba077ab131d51f7ba40e5027324dc86f78f4d42accd8910e7f7fba0a03e44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c09bfffe29cdb2b20402beb33669ea4093c7b471beeb7db378677a7699b51385",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-12T00:27:03Z",
    "title_canon_sha256": "357fb493bab4c810cfd0301450636bde1b1ce7cf31f00da115875fe1d1cd24b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.06104",
    "kind": "arxiv",
    "version": 1
  }
}