Pith Number

pith:WHTENSDE

pith:2021:WHTENSDEVLO7TO772O4DUHFXKG

not attested not anchored not stored refs pending

MEKF Ignoring Initial Conditions for Attitude Estimation Using Vector Observations

Lubin Chang

arxiv:2110.13666 v1 · 2021-10-26 · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WHTENSDEVLO7TO772O4DUHFXKG}

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	2026-07-05T05:34:30.012839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1e646c864aaddf9bbffd3b83a1cb751a8ac83f8aea4b6e06fe092f8f1b70260

Aliases

arxiv: 2110.13666 · arxiv_version: 2110.13666v1 · doi: 10.48550/arxiv.2110.13666 · pith_short_12: WHTENSDEVLO7 · pith_short_16: WHTENSDEVLO7TO77 · pith_short_8: WHTENSDE

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/WHTENSDEVLO7TO772O4DUHFXKG \
  | 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: b1e646c864aaddf9bbffd3b83a1cb751a8ac83f8aea4b6e06fe092f8f1b70260

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84c3c30673b0079e80a3abc8d379ba9795827fecb562bcc0ea1e23da6cce0c98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-10-26T12:58:33Z",
    "title_canon_sha256": "764170146e5daba34f98d13ec7d684205d30ca2e2c9de029c09d49d883fdface"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.13666",
    "kind": "arxiv",
    "version": 1
  }
}