Pith Number

pith:DUQP7GG4

pith:2019:DUQP7GG45FYXHCI2MUPPINCOMZ

not attested not anchored not stored refs pending

Inferring 3D Shapes of Unknown Rigid Objects in Clutter through Inverse Physics Reasoning

Abdeslam Boularias, Changkyu Song

arxiv:1903.05749 v1 · 2019-03-13 · cs.RO · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DUQP7GG45FYXHCI2MUPPINCOMZ}

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	2026-05-17T23:51:16.352657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d20ff98dce97173891a651ef4344e6670e751ef5a8817670c59f0e087445383

Aliases

arxiv: 1903.05749 · arxiv_version: 1903.05749v1 · doi: 10.48550/arxiv.1903.05749 · pith_short_12: DUQP7GG45FYX · pith_short_16: DUQP7GG45FYXHCI2 · pith_short_8: DUQP7GG4

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/DUQP7GG45FYXHCI2MUPPINCOMZ \
  | 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: 1d20ff98dce97173891a651ef4344e6670e751ef5a8817670c59f0e087445383

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73c3bab6a1a44179c768b74f694b144512b8df02fa94c4a066eb0cfb43d746a9",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-03-13T23:05:08Z",
    "title_canon_sha256": "a51f4dcedc06c89a0e5ed58e6d5baaf1d00dc749929654b790f02a62a86db403"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05749",
    "kind": "arxiv",
    "version": 1
  }
}