Pith Number

pith:H7ENNPJT

pith:2019:H7ENNPJTSP7QTI2ARXP7YFDOMK

not attested not anchored not stored refs pending

A Robust Roll Angle Estimation Algorithm Based on Gradient Descent

Ioannis Pitas, Lujia Wang, Ming Liu, Rui Fan

arxiv:1906.01894 v1 · 2019-06-05 · cs.RO · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7ENNPJTSP7QTI2ARXP7YFDOMK}

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	2026-05-17T23:44:05.862600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fc8d6bd3393ff09a3408ddffc146e62bd02d30be3037a3662bcbf68d8c23e7e

Aliases

arxiv: 1906.01894 · arxiv_version: 1906.01894v1 · doi: 10.48550/arxiv.1906.01894 · pith_short_12: H7ENNPJTSP7Q · pith_short_16: H7ENNPJTSP7QTI2A · pith_short_8: H7ENNPJT

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/H7ENNPJTSP7QTI2ARXP7YFDOMK \
  | 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: 3fc8d6bd3393ff09a3408ddffc146e62bd02d30be3037a3662bcbf68d8c23e7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bddf0272fcf6c325fbb153a75b86787813cdf77577dd1c7a9b36ae5d858707e5",
    "cross_cats_sorted": [
      "cs.CV",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-06-05T09:11:51Z",
    "title_canon_sha256": "217d4f249e417e49f557666d6745b4b21c5fd6cbcf4f984b072c56b347bb409a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01894",
    "kind": "arxiv",
    "version": 1
  }
}