Pith Number

pith:IQLLJPKD

pith:2018:IQLLJPKDYABLFPG2HPUFQFGDUK

not attested not anchored not stored refs pending

Automated Bridge Component Recognition using Video Data

Billie F. Spencer Jr, Tu A. Hoang, Vedhus Hoskere, Yasutaka Narazaki

arxiv:1806.06820 v2 · 2018-06-18 · 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{IQLLJPKDYABLFPG2HPUFQFGDUK}

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	2026-05-18T00:04:35.518062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4416b4bd43c002b2bcda3be85814c3a29086f29c4eb6ea3f1e9da95b5c9513a3

Aliases

arxiv: 1806.06820 · arxiv_version: 1806.06820v2 · doi: 10.48550/arxiv.1806.06820 · pith_short_12: IQLLJPKDYABL · pith_short_16: IQLLJPKDYABLFPG2 · pith_short_8: IQLLJPKD

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/IQLLJPKDYABLFPG2HPUFQFGDUK \
  | 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: 4416b4bd43c002b2bcda3be85814c3a29086f29c4eb6ea3f1e9da95b5c9513a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfec0751ce605011d6c4ba56115aa0db0469ed70ce97373b90d3aed91622a1c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-06-18T16:59:05Z",
    "title_canon_sha256": "4d735281c0ba62d861c58d3055de0ed0bf5c03ac0ab73041c78e21f52fdcfcd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06820",
    "kind": "arxiv",
    "version": 2
  }
}