Pith Number

pith:LWUV3SZJ

pith:2019:LWUV3SZJ62LRUWQ25UHM4XQEPY

not attested not anchored not stored refs pending

Active Transfer Learning for Persian Offline Signature Verification

Babak N. Araabi, Reshad Hosseini, Saeed Masoudnia, Taraneh Younesian

arxiv:1903.06255 v1 · 2019-02-28 · cs.CV · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LWUV3SZJ62LRUWQ25UHM4XQEPY}

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	2026-07-04T23:52:20.559482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5da95dcb29f6971a5a1aed0ece5e047e3d96c81833933c342b413eafdba36dd8

Aliases

arxiv: 1903.06255 · arxiv_version: 1903.06255v1 · doi: 10.48550/arxiv.1903.06255 · pith_short_12: LWUV3SZJ62LR · pith_short_16: LWUV3SZJ62LRUWQ2 · pith_short_8: LWUV3SZJ

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/LWUV3SZJ62LRUWQ25UHM4XQEPY \
  | 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: 5da95dcb29f6971a5a1aed0ece5e047e3d96c81833933c342b413eafdba36dd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51be70ea3c52a1387e70922904ded7e38641e45c2c9eacc5011d112e60cf2db3",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-28T13:49:46Z",
    "title_canon_sha256": "5d177b2c045ce9145f144d0300edae0fbf584b87f9517d74f20ed483b763e6d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06255",
    "kind": "arxiv",
    "version": 1
  }
}