Pith Number

pith:OIQ3EWCA

pith:2017:OIQ3EWCAVGMW7V4OOB7IQRSAWN

not attested not anchored not stored refs pending

A Linear Extrinsic Calibration of Kaleidoscopic Imaging System from Single 3D Point

Akihiro Miyata, Kosuke Takahashi, Shohei Nobuhara, Takashi Matsuyama

arxiv:1703.02826 v3 · 2017-03-08 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OIQ3EWCAVGMW7V4OOB7IQRSAWN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:43:35.134825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7221b25840a9996fd78e707e884640b34f25328a15614331ac994165bd57838d

Aliases

arxiv: 1703.02826 · arxiv_version: 1703.02826v3 · doi: 10.48550/arxiv.1703.02826 · pith_short_12: OIQ3EWCAVGMW · pith_short_16: OIQ3EWCAVGMW7V4O · pith_short_8: OIQ3EWCA

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/OIQ3EWCAVGMW7V4OOB7IQRSAWN \
  | 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: 7221b25840a9996fd78e707e884640b34f25328a15614331ac994165bd57838d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a63735fbcfc0180c4eefa04b7ba9065b5e8b205408ac691651125f06452cf682",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-03-08T13:17:13Z",
    "title_canon_sha256": "b22827ade6d7d8465c806c192a6b2416625f3bb3838fd174de3851ecf667ae60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02826",
    "kind": "arxiv",
    "version": 3
  }
}