Pith Number

pith:OKFTZPUJ

pith:2015:OKFTZPUJHXD47L76DCMF5AP4MP

not attested not anchored not stored refs pending

A Simple Hierarchical Pooling Data Structure for Loop Closure

Konstantine Tsotsos, Stefano Soatto, Xiaohan Fei

arxiv:1511.06489 v2 · 2015-11-20 · cs.CV · cs.RO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OKFTZPUJHXD47L76DCMF5AP4MP}

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	2026-05-18T00:02:28.466494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

728b3cbe893dc7cfaffe18985e81fc63fee913174f8c1d90027604b747bc10c5

Aliases

arxiv: 1511.06489 · arxiv_version: 1511.06489v2 · doi: 10.48550/arxiv.1511.06489 · pith_short_12: OKFTZPUJHXD4 · pith_short_16: OKFTZPUJHXD47L76 · pith_short_8: OKFTZPUJ

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/OKFTZPUJHXD47L76DCMF5AP4MP \
  | 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: 728b3cbe893dc7cfaffe18985e81fc63fee913174f8c1d90027604b747bc10c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56b431a5cfd816300f082c0cc7b287935dbc3c427c88c229857abe0c0dd305af",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-11-20T04:56:47Z",
    "title_canon_sha256": "a15781286a12961253835d78e91302fcccfa7a94dc59089d4e118bff5c716ab5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06489",
    "kind": "arxiv",
    "version": 2
  }
}