Pith Number

pith:N3Q4YUPF

pith:2018:N3Q4YUPFSJEMRLT6XQEGVENCBC

not attested not anchored not stored refs pending

Handwriting Trajectory Recovery using End-to-End Deep Encoder-Decoder Network

Abir Bhowmick, Aishik Konwer, Ankan Kumar Bhunia, Ayan Kumar Bhunia, Partha Pratim Roy, Prithaj Banerjee, Umapada Pal

arxiv:1801.07211 v4 · 2018-01-22 · 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{N3Q4YUPFSJEMRLT6XQEGVENCBC}

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	2026-05-18T00:14:21.921290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ee1cc51e59248c8ae7ebc086a91a208a0b62212e3d057fd992ffa3f48e0c98f

Aliases

arxiv: 1801.07211 · arxiv_version: 1801.07211v4 · doi: 10.48550/arxiv.1801.07211 · pith_short_12: N3Q4YUPFSJEM · pith_short_16: N3Q4YUPFSJEMRLT6 · pith_short_8: N3Q4YUPF

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/N3Q4YUPFSJEMRLT6XQEGVENCBC \
  | 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: 6ee1cc51e59248c8ae7ebc086a91a208a0b62212e3d057fd992ffa3f48e0c98f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51c165d1eff08d60ee28a4158e90ccc266378e54ce475d137ec79142ab52a57c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-01-22T17:25:05Z",
    "title_canon_sha256": "1bea72df7c8e9f762e1fb55a95d1e3115d79d0c4d428b171f3d0c4e71520b1fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07211",
    "kind": "arxiv",
    "version": 4
  }
}