Pith Number

pith:I7NC4OCO

pith:2021:I7NC4OCOVTNCLXOOTOH7ISAQV4

not attested not anchored not stored refs pending

Strapdown Inertial Navigation System Initial Alignment based on Group of Double Direct Spatial Isometries

Fangjun Qin, Jiangning Xu, Lubin Chang

arxiv:2102.12697 v1 · 2021-02-25 · 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{I7NC4OCOVTNCLXOOTOH7ISAQV4}

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	2026-07-05T03:25:30.387564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47da2e384eacda25ddce9b8ff44810af32aae7a9b6d69b4c547f75f28aab2652

Aliases

arxiv: 2102.12697 · arxiv_version: 2102.12697v1 · doi: 10.48550/arxiv.2102.12697 · pith_short_12: I7NC4OCOVTNC · pith_short_16: I7NC4OCOVTNCLXOO · pith_short_8: I7NC4OCO

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/I7NC4OCOVTNCLXOOTOH7ISAQV4 \
  | 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: 47da2e384eacda25ddce9b8ff44810af32aae7a9b6d69b4c547f75f28aab2652

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3eec37247caa54737f3367f0ac82b1a014dd38d3eec15c941bda24d860dc695",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-02-25T05:52:00Z",
    "title_canon_sha256": "dcb894e12c24ae981bcb0fa9f71ba2c809b512082322992fc3ceb8d676e0ae79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.12697",
    "kind": "arxiv",
    "version": 1
  }
}