Pith Number

pith:V2PQIJPS

pith:2020:V2PQIJPS65DBYM2LT3F7WAF77S

not attested not anchored not stored refs pending

Autocamera Calibration for traffic surveillance cameras with wide angle lenses

Aman Gajendra Jain, Nicolas Saunier

arxiv:2001.07243 v1 · 2020-01-20 · cs.CV · 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{V2PQIJPS65DBYM2LT3F7WAF77S}

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	2026-07-05T00:34:53.445021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae9f0425f2f7461c334b9ecbfb00bffc896660f2e9fba011583f450eb5bc097e

Aliases

arxiv: 2001.07243 · arxiv_version: 2001.07243v1 · doi: 10.48550/arxiv.2001.07243 · pith_short_12: V2PQIJPS65DB · pith_short_16: V2PQIJPS65DBYM2L · pith_short_8: V2PQIJPS

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/V2PQIJPS65DBYM2LT3F7WAF77S \
  | 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: ae9f0425f2f7461c334b9ecbfb00bffc896660f2e9fba011583f450eb5bc097e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea916657bdf1e1a9150ab5333e18e09fca91d07937051a4acc669d4a4bdb3b7b",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-01-20T20:37:02Z",
    "title_canon_sha256": "59874beda35fef140829cbee60a9d3465694313d704e1091249030c30c58b27f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.07243",
    "kind": "arxiv",
    "version": 1
  }
}