Pith Number

pith:22R4RAZQ

pith:2017:22R4RAZQJEONITKN2EDSYTW3ZS

not attested not anchored not stored refs pending

Radial Line Fourier Descriptor for Historical Handwritten Text Representation

Anders Hast, Ekta Vats

arxiv:1709.01788 v4 · 2017-09-06 · cs.CV · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{22R4RAZQJEONITKN2EDSYTW3ZS}

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	2026-05-18T00:08:15.956888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6a3c88330491cd44d4dd1072c4edbcc8cf04adf8043e27e5e9cddade4e527ae

Aliases

arxiv: 1709.01788 · arxiv_version: 1709.01788v4 · doi: 10.48550/arxiv.1709.01788 · pith_short_12: 22R4RAZQJEON · pith_short_16: 22R4RAZQJEONITKN · pith_short_8: 22R4RAZQ

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/22R4RAZQJEONITKN2EDSYTW3ZS \
  | 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: d6a3c88330491cd44d4dd1072c4edbcc8cf04adf8043e27e5e9cddade4e527ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36e733d1a2e8b032f5de48e7e9210ddba698f43222b158bce850478fb3f70799",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-06T11:56:34Z",
    "title_canon_sha256": "15f39d92699260f1b94a1409ce7c0767f18765d311108cb0375d6403ffd14335"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01788",
    "kind": "arxiv",
    "version": 4
  }
}