Pith Number

pith:767MAT2D

pith:2019:767MAT2DWEYG7YDTBXYYSCZRE3

not attested not anchored not stored refs pending

Visual Localization Using Sparse Semantic 3D Map

Lingjie Zhu, Shuhan Shen, Tianxin Shi, Xiang Gao

arxiv:1904.03803 v2 · 2019-04-08 · 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{767MAT2DWEYG7YDTBXYYSCZRE3}

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	2026-05-17T23:45:57.738624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffbec04f43b1306fe0730df1890b3126fa66bd3cb62639d91780b97841b10134

Aliases

arxiv: 1904.03803 · arxiv_version: 1904.03803v2 · doi: 10.48550/arxiv.1904.03803 · pith_short_12: 767MAT2DWEYG · pith_short_16: 767MAT2DWEYG7YDT · pith_short_8: 767MAT2D

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/767MAT2DWEYG7YDTBXYYSCZRE3 \
  | 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: ffbec04f43b1306fe0730df1890b3126fa66bd3cb62639d91780b97841b10134

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88a2d62ed5520bbb98269d91d140e5ce6cda2cd8164d8963b3879bffe640a9d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-08T02:36:58Z",
    "title_canon_sha256": "b9ab05b77b06020ed8219d6191bf79affffab2b7f93d8f6b2ab945ce6be005b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03803",
    "kind": "arxiv",
    "version": 2
  }
}