Pith Number

pith:C5B4AQXP

pith:2020:C5B4AQXPUADLA5CEO36ZSFJWFZ

not attested not anchored not stored refs pending

Learning to Place Objects onto Flat Surfaces in Upright Orientations

Akansel Cosgun, Kerry He, Rhys Newbury, Tom Drummond

arxiv:2004.00249 v3 · 2020-04-01 · 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{C5B4AQXPUADLA5CEO36ZSFJWFZ}

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	2026-07-05T02:33:04.789911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1743c042efa006b0744476fd9915362e6d7d31bfd85cb35c41301c4d0b47f0f8

Aliases

arxiv: 2004.00249 · arxiv_version: 2004.00249v3 · doi: 10.48550/arxiv.2004.00249 · pith_short_12: C5B4AQXPUADL · pith_short_16: C5B4AQXPUADLA5CE · pith_short_8: C5B4AQXP

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/C5B4AQXPUADLA5CEO36ZSFJWFZ \
  | 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: 1743c042efa006b0744476fd9915362e6d7d31bfd85cb35c41301c4d0b47f0f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "565cb05c455f1d3ffa6f6620a9482091b1cfafe67b0ecca17b95d7134a237375",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2020-04-01T06:31:18Z",
    "title_canon_sha256": "ddd3b67f2f4b2b73d9ef8b04abcf70712c15a21b11e6a9ce013ad4ace68cea1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.00249",
    "kind": "arxiv",
    "version": 3
  }
}