Pith Number

pith:6NAIIBXR

pith:2020:6NAIIBXRQRWDYF7QSID2SINM64

not attested not anchored not stored refs pending

Automatic extraction of road intersection points from USGS historical map series using deep convolutional neural networks

Mahmoud Saeedimoghaddam, T. F. Stepinski

arxiv:2007.07404 v1 · 2020-07-14 · 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{6NAIIBXRQRWDYF7QSID2SINM64}

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	2026-07-05T01:19:16.925435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3408406f1846c3c17f09207a921acf736727edae5ffd562e598b7a97aa40e10

Aliases

arxiv: 2007.07404 · arxiv_version: 2007.07404v1 · doi: 10.48550/arxiv.2007.07404 · pith_short_12: 6NAIIBXRQRWD · pith_short_16: 6NAIIBXRQRWDYF7Q · pith_short_8: 6NAIIBXR

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/6NAIIBXRQRWDYF7QSID2SINM64 \
  | 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: f3408406f1846c3c17f09207a921acf736727edae5ffd562e598b7a97aa40e10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54fea10ad33c13fab89dea4052a7aa8dfb6e91826dae91eabe1fa9b93bffb010",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-07-14T23:51:15Z",
    "title_canon_sha256": "c8ec4dc443635eb92520534f4196ca2df12caa9511cb81652096947d4e033434"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.07404",
    "kind": "arxiv",
    "version": 1
  }
}