Pith Number

pith:YZ5V2EUJ

pith:2020:YZ5V2EUJNFJKOA5IECNKMTCOD3

not attested not anchored not stored refs pending

Recursive Star-Identification Algorithm using an Adaptive SVD-based Angular Velocity Estimator

Carl Leake, Daniele Mortari, Hunter Johnston, Marcelino M. de Almeida

arxiv:2003.11684 v2 · 2020-03-26 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YZ5V2EUJNFJKOA5IECNKMTCOD3}

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	2026-07-05T02:13:13.595950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c67b5d12896952a703a8209aa64c4e1ede0917e1d23090c2de71086be4d692ea

Aliases

arxiv: 2003.11684 · arxiv_version: 2003.11684v2 · doi: 10.48550/arxiv.2003.11684 · pith_short_12: YZ5V2EUJNFJK · pith_short_16: YZ5V2EUJNFJKOA5I · pith_short_8: YZ5V2EUJ

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/YZ5V2EUJNFJKOA5IECNKMTCOD3 \
  | 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: c67b5d12896952a703a8209aa64c4e1ede0917e1d23090c2de71086be4d692ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdef76f58e87e1c1d5937c64c8a675a9798af6a737effba7a1b7533c5596ead8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-03-26T00:17:45Z",
    "title_canon_sha256": "e4e6adca79ba6f803e327c1ebc77cf1904151b736094de7d5bd4bb7e9b621c5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.11684",
    "kind": "arxiv",
    "version": 2
  }
}