Pith Number

pith:5QTLV7FZ

pith:2017:5QTLV7FZFHQ6JCFB74NVHTRDFI

not attested not anchored not stored refs pending

OCRAPOSE II: An OCR-based indoor positioning system using mobile phone images

Hamed Sadeghi, Shahram Shirani, Shahrokh Valaee

arxiv:1704.05591 v1 · 2017-04-19 · 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{5QTLV7FZFHQ6JCFB74NVHTRDFI}

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	2026-05-18T00:46:07.023037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec26bafcb929e1e488a1ff1b53ce232a3bc00ddf176f120e68a2c2a8286122d3

Aliases

arxiv: 1704.05591 · arxiv_version: 1704.05591v1 · doi: 10.48550/arxiv.1704.05591 · pith_short_12: 5QTLV7FZFHQ6 · pith_short_16: 5QTLV7FZFHQ6JCFB · pith_short_8: 5QTLV7FZ

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/5QTLV7FZFHQ6JCFB74NVHTRDFI \
  | 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: ec26bafcb929e1e488a1ff1b53ce232a3bc00ddf176f120e68a2c2a8286122d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adc6a89bf2d6c1871075dd8c0d71ae2914648b77295ed4b42b406c54806418da",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-04-19T02:43:23Z",
    "title_canon_sha256": "f49b9c28aec4598897efc1ed6a283470f116d97fe73e779e0f3f344fa5a96bb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05591",
    "kind": "arxiv",
    "version": 1
  }
}