Pith Number

pith:EIQVFZNU

pith:2015:EIQVFZNUFPE57IDTI64NQHDB42

not attested not anchored not stored refs pending

Sequence to Sequence Learning for Optical Character Recognition

Devendra Kumar Sahu, Mohak Sukhwani

arxiv:1511.04176 v2 · 2015-11-13 · 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{EIQVFZNUFPE57IDTI64NQHDB42}

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	2026-05-18T01:23:44.201536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

222152e5b42bc9dfa07347b8d81c61e6ac75d4d9404c643cd3e14c2ff25d9401

Aliases

arxiv: 1511.04176 · arxiv_version: 1511.04176v2 · doi: 10.48550/arxiv.1511.04176 · pith_short_12: EIQVFZNUFPE5 · pith_short_16: EIQVFZNUFPE57IDT · pith_short_8: EIQVFZNU

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/EIQVFZNUFPE57IDTI64NQHDB42 \
  | 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: 222152e5b42bc9dfa07347b8d81c61e6ac75d4d9404c643cd3e14c2ff25d9401

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02bf47b43a0687e68aa52eaadd2f5fdc1e91ef5686f2a20f54406538a56b72dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-11-13T06:33:22Z",
    "title_canon_sha256": "abe5258bd5970b360d096ad763718dd8fbefd8808f159c6a86e2c7f09a27ef3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04176",
    "kind": "arxiv",
    "version": 2
  }
}