Pith Number

pith:77SKA7EK

pith:2013:77SKA7EKSALMHXYYB4LDF5WSPW

not attested not anchored not stored refs pending

Optical Flow Sensing and the Inverse Perception Problem for Flying Bats

Alison Greco, Diane Theriault, John Baillieul, Kayhan \"Ozcimder, Margrit Betke, Nathan Fuller, Thomas Kunz, Zhaodan Kong, Zheng Wu

arxiv:1303.3072 v1 · 2013-03-13 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77SKA7EKSALMHXYYB4LDF5WSPW}

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	2026-05-18T03:31:05.813586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffe4a07c8a9016c3df180f1632f6d27da8f4b4330ab5cc59346a0f4cedfcb730

Aliases

arxiv: 1303.3072 · arxiv_version: 1303.3072v1 · doi: 10.48550/arxiv.1303.3072 · pith_short_12: 77SKA7EKSALM · pith_short_16: 77SKA7EKSALMHXYY · pith_short_8: 77SKA7EK

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/77SKA7EKSALMHXYYB4LDF5WSPW \
  | 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: ffe4a07c8a9016c3df180f1632f6d27da8f4b4330ab5cc59346a0f4cedfcb730

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0b2bb048a18b85823c673142f0baacba83c579dcf6525034118f5a03541a475",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2013-03-13T00:59:05Z",
    "title_canon_sha256": "f4830cb4ede365ee4672180e1a38c607f8a44e810dfb91e033cd74d9cbeba350"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3072",
    "kind": "arxiv",
    "version": 1
  }
}