Pith Number

pith:YSFY36QV

pith:2021:YSFY36QVLRJIID46L5CJY56FH2

not attested not anchored not stored refs pending

Mechanical principles of dynamic terrestrial self-righting using wings

Chad C. Kessens, Chen Li, Robert J. Full, Ronald S. Fearing

arxiv:2103.09450 v2 · 2021-03-17 · physics.bio-ph · cs.RO · cs.SY · eess.SY · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YSFY36QVLRJIID46L5CJY56FH2}

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	2026-07-05T03:41:24.448522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c48b8dfa155c52840f9e5f449c77c53e92e3622e8290ab816b1181b7394a9462

Aliases

arxiv: 2103.09450 · arxiv_version: 2103.09450v2 · doi: 10.48550/arxiv.2103.09450 · pith_short_12: YSFY36QVLRJI · pith_short_16: YSFY36QVLRJIID46 · pith_short_8: YSFY36QV

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/YSFY36QVLRJIID46L5CJY56FH2 \
  | 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: c48b8dfa155c52840f9e5f449c77c53e92e3622e8290ab816b1181b7394a9462

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b767a40dab8e3964df43c10f9fac1d895fa0dc96d6fd9ce3777f8540fa6c907",
    "cross_cats_sorted": [
      "cs.RO",
      "cs.SY",
      "eess.SY",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2021-03-17T05:28:31Z",
    "title_canon_sha256": "f77d66b0f18c8338f87e269fb27268c0ba0e63c3fcadae844f12e938d8e58a8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.09450",
    "kind": "arxiv",
    "version": 2
  }
}