Pith Number

pith:VQCGYHQR

pith:2016:VQCGYHQRHAZIQYSDPXPXPMVG4Z

not attested not anchored not stored refs pending

Intrinsic Tetrahedron Formation of Reduced Attitude

Fenghua He, Silun Zhang, Wenjun Song, Xiaoming Hu, Yiguang Hong

arxiv:1609.08493 v1 · 2016-09-27 · 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{VQCGYHQRHAZIQYSDPXPXPMVG4Z}

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	2026-05-18T00:15:38.039222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac046c1e1138328862437ddf77b2a6e66ff43ded43606b98e7bf74565ae9a938

Aliases

arxiv: 1609.08493 · arxiv_version: 1609.08493v1 · doi: 10.48550/arxiv.1609.08493 · pith_short_12: VQCGYHQRHAZI · pith_short_16: VQCGYHQRHAZIQYSD · pith_short_8: VQCGYHQR

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/VQCGYHQRHAZIQYSDPXPXPMVG4Z \
  | 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: ac046c1e1138328862437ddf77b2a6e66ff43ded43606b98e7bf74565ae9a938

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b11a3d560d89e67dfc4b5c1dba3ca6b500c146ae8ed1d124e368ffcbcb788713",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-09-27T15:15:37Z",
    "title_canon_sha256": "b228a2f697ec36863919999cc43864819f7611a3afa46857fe24d2317562232e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08493",
    "kind": "arxiv",
    "version": 1
  }
}