Pith Number

pith:HNZ7G6MR

pith:2018:HNZ7G6MRHJS2M5GGKENNL7UKGF

not attested not anchored not stored refs pending

Identifica\c{c}\~ao autom\'atica de picha\c{c}\~ao a partir de imagens urbanas

Claudio T. Silva, Eric K. Tokuda, Roberto M. Cesar-Jr

arxiv:1811.02372 v1 · 2018-11-06 · 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{HNZ7G6MRHJS2M5GGKENNL7UKGF}

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	2026-05-18T00:01:24.442859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b73f379913a65a674c6511ad5fe8a3154053af8c8188ff70f92eafe18687fd3

Aliases

arxiv: 1811.02372 · arxiv_version: 1811.02372v1 · doi: 10.48550/arxiv.1811.02372 · pith_short_12: HNZ7G6MRHJS2 · pith_short_16: HNZ7G6MRHJS2M5GG · pith_short_8: HNZ7G6MR

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/HNZ7G6MRHJS2M5GGKENNL7UKGF \
  | 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: 3b73f379913a65a674c6511ad5fe8a3154053af8c8188ff70f92eafe18687fd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97e05de1750120d36149864610329e9c3dc4b3db1a5459cccbc1e725b07a42f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-06T14:41:57Z",
    "title_canon_sha256": "dbb722b2bc584a9a99a97ea2726b71295ecc390bc288d816f6c76856bf169c43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02372",
    "kind": "arxiv",
    "version": 1
  }
}