Pith Number

pith:SDANPDCJ

pith:2017:SDANPDCJIWYNYRIZN2TJH7YFPV

not attested not anchored not stored refs pending

Improving Condition- and Environment-Invariant Place Recognition with Semantic Place Categorization

Adam Jacobson, Michael Milford, Sourav Garg, Swagat Kumar

arxiv:1706.07144 v1 · 2017-06-22 · 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{SDANPDCJIWYNYRIZN2TJH7YFPV}

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	2026-05-18T00:18:31.761384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90c0d78c4945b0dc45196ea693ff057d4f54b787d479e500ca0e3a6931dd3e35

Aliases

arxiv: 1706.07144 · arxiv_version: 1706.07144v1 · doi: 10.48550/arxiv.1706.07144 · pith_short_12: SDANPDCJIWYN · pith_short_16: SDANPDCJIWYNYRIZ · pith_short_8: SDANPDCJ

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/SDANPDCJIWYNYRIZN2TJH7YFPV \
  | 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: 90c0d78c4945b0dc45196ea693ff057d4f54b787d479e500ca0e3a6931dd3e35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c978473cf48d08ec1a7c9d80ce32b4f79683d19bb471f8113f717cc23a20432d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2017-06-22T00:54:47Z",
    "title_canon_sha256": "85d89cb8d303cac0e7e959b6f1da2caa6322d6237eb257b242e1929541e54b9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07144",
    "kind": "arxiv",
    "version": 1
  }
}