Pith Number

pith:N3X7CJZX

pith:2018:N3X7CJZX6NBQU4ZZLLVDV5FXNR

not attested not anchored not stored refs pending

Extrinisic Calibration of a Camera-Arm System Through Rotation Identification

Christoffer Heckman, Daniel Szafir, Nisar Ahmed, Simon Julier, Steve McGuire

arxiv:1812.08280 v1 · 2018-12-19 · cs.RO · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N3X7CJZX6NBQU4ZZLLVDV5FXNR}

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	2026-05-17T23:57:51.747139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6eeff12737f3430a73395aea3af4b76c4a765641a83c01de99a573e3c96fd3b7

Aliases

arxiv: 1812.08280 · arxiv_version: 1812.08280v1 · doi: 10.48550/arxiv.1812.08280 · pith_short_12: N3X7CJZX6NBQ · pith_short_16: N3X7CJZX6NBQU4ZZ · pith_short_8: N3X7CJZX

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/N3X7CJZX6NBQU4ZZLLVDV5FXNR \
  | 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: 6eeff12737f3430a73395aea3af4b76c4a765641a83c01de99a573e3c96fd3b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3af6847e16af5ceb6d9bb07b220a384066fdfdefa501f50f9c507db19f638b25",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2018-12-19T22:44:26Z",
    "title_canon_sha256": "963696ab404177659cbf44508e8c5ac50de0915903c35a2f5507fd4d21336beb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08280",
    "kind": "arxiv",
    "version": 1
  }
}