Pith Number

pith:2SLF34QU

pith:2018:2SLF34QUTGUNWIOU3U53HEZAYS

not attested not anchored not stored refs pending

A Novel Method for Extrinsic Calibration of Multiple RGB-D Cameras Using Descriptor-Based Patterns

Hang Liu, Hengyu Li, Jun Luo, Shaorong Xie, Xiahua Liu, Yu Sun

arxiv:1807.07856 v4 · 2018-07-14 · eess.IV · 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{2SLF34QUTGUNWIOU3U53HEZAYS}

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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	2026-05-18T00:06:11.227860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4965df21499a8db21d4dd3bb39320c4bfeb6c9fa0ce09d0452db84edf188e2c

Aliases

arxiv: 1807.07856 · arxiv_version: 1807.07856v4 · doi: 10.48550/arxiv.1807.07856 · pith_short_12: 2SLF34QUTGUN · pith_short_16: 2SLF34QUTGUNWIOU · pith_short_8: 2SLF34QU

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/2SLF34QUTGUNWIOU3U53HEZAYS \
  | 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: d4965df21499a8db21d4dd3bb39320c4bfeb6c9fa0ce09d0452db84edf188e2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1973e41b973ff4ce46cb63f0c01a17f65fee8500dcbab303cc29d7c9cdb6ef09",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2018-07-14T12:38:03Z",
    "title_canon_sha256": "c8b941f07598335671269e6645c83de0577ac1ef5582bf199e99cd1e74b42dab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07856",
    "kind": "arxiv",
    "version": 4
  }
}