Pith Number

pith:R4UCIOI2

pith:2021:R4UCIOI27KVVTVS7PZFARJ5LF5

not attested not anchored not stored refs pending

Hierarchical Representations and Explicit Memory: Learning Effective Navigation Policies on 3D Scene Graphs using Graph Neural Networks

J. Daniel Griffith, Lisa Peng, Luca Carlone, Nathan Hughes, Zachary Ravichandran

arxiv:2108.01176 v2 · 2021-08-02 · cs.RO · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R4UCIOI27KVVTVS7PZFARJ5LF5}

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	2026-07-05T04:20:42.908918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f2824391afaab59d65f7e4a08a7ab2f5bbd3e675cdd2f44cd40a3ff182bc9b3

Aliases

arxiv: 2108.01176 · arxiv_version: 2108.01176v2 · doi: 10.48550/arxiv.2108.01176 · pith_short_12: R4UCIOI27KVV · pith_short_16: R4UCIOI27KVVTVS7 · pith_short_8: R4UCIOI2

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/R4UCIOI27KVVTVS7PZFARJ5LF5 \
  | 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: 8f2824391afaab59d65f7e4a08a7ab2f5bbd3e675cdd2f44cd40a3ff182bc9b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e99f67ace65a68577f68d430fe8197be58753ee4bb24ad403d2348cc8c70297",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-08-02T21:21:27Z",
    "title_canon_sha256": "cbc7bb16002934e0cfb5cd141316a6fbbaf178182c210eb38b7171ffb8ebfa6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.01176",
    "kind": "arxiv",
    "version": 2
  }
}