Pith Number

pith:ZJ2PIDPU

pith:2019:ZJ2PIDPUXCXRCAZXBZTNEXLEYA

not attested not anchored not stored refs pending

Mapping Areas using Computer Vision Algorithms and Drones

Bashar Alhafni, Jeongkyu Lee, Juhyun Park, Lays Cavalcante Ribeiro, Saulo Fernando Guedes

arxiv:1901.00211 v1 · 2019-01-01 · 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{ZJ2PIDPUXCXRCAZXBZTNEXLEYA}

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	2026-05-17T23:57:06.679349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca74f40df4b8af1103370e66d25d64c0204e084a5838e2671ac6800a5fc3f87e

Aliases

arxiv: 1901.00211 · arxiv_version: 1901.00211v1 · doi: 10.48550/arxiv.1901.00211 · pith_short_12: ZJ2PIDPUXCXR · pith_short_16: ZJ2PIDPUXCXRCAZX · pith_short_8: ZJ2PIDPU

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/ZJ2PIDPUXCXRCAZXBZTNEXLEYA \
  | 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: ca74f40df4b8af1103370e66d25d64c0204e084a5838e2671ac6800a5fc3f87e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e3278f4becd473bf8ed4b2e479cb60fed6742c63352d95f000836fb7a593221",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-01T21:24:07Z",
    "title_canon_sha256": "d36345e7762521e6b819892f71c529e85b6d5ef89e8690f49219eab7c6ad4257"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00211",
    "kind": "arxiv",
    "version": 1
  }
}