Pith Number

pith:554H7BJU

pith:2019:554H7BJU6ZEAFLJJUCT4S4R5KS

not attested not anchored not stored refs pending

Degeneracy in Self-Calibration Revisited and a Deep Learning Solution for Uncalibrated SLAM

Bingbing Zhuang, Gim Hee Lee, Loong Fah Cheong, Manmohan Chandraker, Pan Ji, Quoc-Huy Tran

arxiv:1907.13185 v1 · 2019-07-30 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{554H7BJU6ZEAFLJJUCT4S4R5KS}

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	2026-07-04T23:50:46.994283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef787f8534f64802ad29a0a7c9723d548ddd6a54a2c48702671fe8241b62cc1c

Aliases

arxiv: 1907.13185 · arxiv_version: 1907.13185v1 · doi: 10.48550/arxiv.1907.13185 · pith_short_12: 554H7BJU6ZEA · pith_short_16: 554H7BJU6ZEAFLJJ · pith_short_8: 554H7BJU

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/554H7BJU6ZEAFLJJUCT4S4R5KS \
  | 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: ef787f8534f64802ad29a0a7c9723d548ddd6a54a2c48702671fe8241b62cc1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be4815155218823dc6c22b6c8340d8f67fd0c8cbc33c33b12ec00b6e6a8f057a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-30T19:07:13Z",
    "title_canon_sha256": "7641bcf6b3cfdb7a1ba8d9581c23fa9c84b382ce63e5c6f0b8721fce04df63ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.13185",
    "kind": "arxiv",
    "version": 1
  }
}