Pith Number

pith:H35IKYXZ

pith:2015:H35IKYXZ5DUQTXOQXDAIYGZHDD

not attested not anchored not stored refs pending

Tracking an Object with Unknown Accelerations using a Shadowing Filter

Kevin Judd

arxiv:1502.07743 v1 · 2015-01-21 · cs.SY · 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{H35IKYXZ5DUQTXOQXDAIYGZHDD}

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	2026-05-18T02:26:02.264130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3efa8562f9e8e909ddd0b8c08c1b2718c855bf1c0805a286bb23701af929ee03

Aliases

arxiv: 1502.07743 · arxiv_version: 1502.07743v1 · doi: 10.48550/arxiv.1502.07743 · pith_short_12: H35IKYXZ5DUQ · pith_short_16: H35IKYXZ5DUQTXOQ · pith_short_8: H35IKYXZ

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/H35IKYXZ5DUQTXOQXDAIYGZHDD \
  | 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: 3efa8562f9e8e909ddd0b8c08c1b2718c855bf1c0805a286bb23701af929ee03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "578fb28174bd21d6c5a36b51fe901f8014ce8662e615cd8e1285fab5fc983a7c",
    "cross_cats_sorted": [
      "cs.CV",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2015-01-21T06:30:51Z",
    "title_canon_sha256": "5977d433aa937c9d0cb702f95b846076eca7ff7b1220ce31242b9c16dd69b521"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07743",
    "kind": "arxiv",
    "version": 1
  }
}