Pith Number

pith:QVMDOHFI

pith:2017:QVMDOHFIWELLGYCB5SLFZ3CIB6

not attested not anchored not stored refs pending

Exact Camera Location Recovery by Least Unsquared Deviations

Gilad Lerman, Teng Zhang, Yunpeng Shi

arxiv:1709.09683 v4 · 2017-09-27 · cs.CV · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QVMDOHFIWELLGYCB5SLFZ3CIB6}

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	2026-05-17T23:55:43.195733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8558371ca8b116b36041ec965cec480fa339d88f6b29a8504d6b23391b3500cf

Aliases

arxiv: 1709.09683 · arxiv_version: 1709.09683v4 · doi: 10.48550/arxiv.1709.09683 · pith_short_12: QVMDOHFIWELL · pith_short_16: QVMDOHFIWELLGYCB · pith_short_8: QVMDOHFI

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/QVMDOHFIWELLGYCB5SLFZ3CIB6 \
  | 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: 8558371ca8b116b36041ec965cec480fa339d88f6b29a8504d6b23391b3500cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46d1b33aa5836a3518f24db4e9e0b9091964c5055c5c20bd45bda8d0cf3b8235",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-27T18:11:40Z",
    "title_canon_sha256": "62be261bfb9ec8b830942fb97604ca593d7622f086fb73665f34e3afaa9526fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09683",
    "kind": "arxiv",
    "version": 4
  }
}