Pith Number

pith:P3M2U3I2

pith:2017:P3M2U3I2D536TYCXHF566XYOZL

not attested not anchored not stored refs pending

A geodesic feedback law to decouple the full and reduced attitude

Jens Hoppe, Johan Markdahl, Lin Wang, Xiaoming Hu

arxiv:1702.05646 v1 · 2017-02-18 · 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{P3M2U3I2D536TYCXHF566XYOZL}

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	2026-05-18T00:50:25.859892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ed9aa6d1a1f77e9e057397bef5f0ecae574f72c0d3c74d999aba2f64f58afe6

Aliases

arxiv: 1702.05646 · arxiv_version: 1702.05646v1 · doi: 10.48550/arxiv.1702.05646 · pith_short_12: P3M2U3I2D536 · pith_short_16: P3M2U3I2D536TYCX · pith_short_8: P3M2U3I2

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/P3M2U3I2D536TYCXHF566XYOZL \
  | 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: 7ed9aa6d1a1f77e9e057397bef5f0ecae574f72c0d3c74d999aba2f64f58afe6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "444821fad2104bb348826ba89ca0940eb53012d4c676ce32378c1838ebca63eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-02-18T19:25:56Z",
    "title_canon_sha256": "08d59206d22daaad9654aa1299fa723fe56c282953df0c1647aa28d8ce1b9e86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05646",
    "kind": "arxiv",
    "version": 1
  }
}