Pith Number

pith:YECF365A

pith:2016:YECF365A4JN6KE5M7JAXDBINND

not attested not anchored not stored refs pending

Riccati observers for position and velocity bias estimation from either direction or range measurements

Claude Samson, Tarek Hamel

arxiv:1606.07735 v2 · 2016-06-24 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YECF365A4JN6KE5M7JAXDBINND}

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	2026-05-18T01:10:23.166062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1045dfba0e25be513acfa4171850d68ef25c5e389949abd0fabdb72cf3b2daa

Aliases

arxiv: 1606.07735 · arxiv_version: 1606.07735v2 · doi: 10.48550/arxiv.1606.07735 · pith_short_12: YECF365A4JN6 · pith_short_16: YECF365A4JN6KE5M · pith_short_8: YECF365A

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/YECF365A4JN6KE5M7JAXDBINND \
  | 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: c1045dfba0e25be513acfa4171850d68ef25c5e389949abd0fabdb72cf3b2daa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4273d056ef35f3edb8222a682c93d3d302c92c18749e599438894b5fcf274bc9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2016-06-24T15:58:59Z",
    "title_canon_sha256": "432052aff8c4c2c03a15d33499f4b36dcee9b843a16e9554778b9d7224b9741f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.07735",
    "kind": "arxiv",
    "version": 2
  }
}