Pith Number

pith:VCGM7ZUD

pith:2018:VCGM7ZUDUTK3ZUAK4O5LF74AZJ

not attested not anchored not stored refs pending

Segmenting Unknown 3D Objects from Real Depth Images using Mask R-CNN Trained on Synthetic Data

Andrew Lee, Andrew Li, Jeffrey Mahler, Ken Goldberg, Matthew Matl, Michael Danielczuk, Saurabh Gupta

arxiv:1809.05825 v2 · 2018-09-16 · 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{VCGM7ZUDUTK3ZUAK4O5LF74AZJ}

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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	2026-05-17T23:52:15.591006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a88ccfe683a4d5bcd00ae3bab2ff80ca7cf1652de190f27991ed3fb5f5b0995a

Aliases

arxiv: 1809.05825 · arxiv_version: 1809.05825v2 · doi: 10.48550/arxiv.1809.05825 · pith_short_12: VCGM7ZUDUTK3 · pith_short_16: VCGM7ZUDUTK3ZUAK · pith_short_8: VCGM7ZUD

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/VCGM7ZUDUTK3ZUAK4O5LF74AZJ \
  | 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: a88ccfe683a4d5bcd00ae3bab2ff80ca7cf1652de190f27991ed3fb5f5b0995a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a222dcb0b4db7927e587ade857ea14f6d8a721d7762135d3d2d16a6527c6131",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-09-16T07:08:58Z",
    "title_canon_sha256": "d53bc5a4cfff08822292519e4693e6c3f24f1b362dfa4503f1ce6a82ad62976f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05825",
    "kind": "arxiv",
    "version": 2
  }
}