Pith Number

pith:2JHYHLQO

pith:2018:2JHYHLQO3T67TFDO6DH74WY7E4

not attested not anchored not stored refs pending

A complete hand-drawn sketch vectorization framework

Andrea Prati, Luca Donati, Simone Cesano

arxiv:1802.05902 v1 · 2018-02-16 · 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{2JHYHLQO3T67TFDO6DH74WY7E4}

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	2026-05-18T00:23:10.548601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d24f83ae0edcfdf9946ef0cffe5b1f2734cea396ecf3961189884e7f36d129b3

Aliases

arxiv: 1802.05902 · arxiv_version: 1802.05902v1 · doi: 10.48550/arxiv.1802.05902 · pith_short_12: 2JHYHLQO3T67 · pith_short_16: 2JHYHLQO3T67TFDO · pith_short_8: 2JHYHLQO

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/2JHYHLQO3T67TFDO6DH74WY7E4 \
  | 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: d24f83ae0edcfdf9946ef0cffe5b1f2734cea396ecf3961189884e7f36d129b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1df15bcb1f0e62bedb5d49ea2f48627b014163b9bc9b391dbb3e72821b8cee2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-02-16T11:47:05Z",
    "title_canon_sha256": "8bc94a9c7703fd41e01630ceddf69a449b68ab78ddb6805ea27439136b412e87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05902",
    "kind": "arxiv",
    "version": 1
  }
}