Pith Number

pith:MAWEAF2L

pith:2018:MAWEAF2L7YRJ4AUYNETY4ARRP2

not attested not anchored not stored refs pending

Unique flow features of the silent southern Boobook owl wake during flapping flight

Christopher Guglielmo, Erin Hackett, Gareth Morgan, Gregory Kopp, Hadar Ben-Gida, Jonathan Lawley, Krishnan Krishnamoorthy, Roi Gurka

arxiv:1804.08772 v1 · 2018-04-23 · physics.bio-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MAWEAF2L7YRJ4AUYNETY4ARRP2}

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	2026-05-18T00:17:37.392009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

602c40174bfe229e029869278e02317eab345ce3ffe1d1afa8375427f1a03110

Aliases

arxiv: 1804.08772 · arxiv_version: 1804.08772v1 · doi: 10.48550/arxiv.1804.08772 · pith_short_12: MAWEAF2L7YRJ · pith_short_16: MAWEAF2L7YRJ4AUY · pith_short_8: MAWEAF2L

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/MAWEAF2L7YRJ4AUYNETY4ARRP2 \
  | 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: 602c40174bfe229e029869278e02317eab345ce3ffe1d1afa8375427f1a03110

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b248dc58a0a84e94c013b5b089156963f77f6c7b25fbb320a9e6f98d5db6039",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2018-04-23T22:59:15Z",
    "title_canon_sha256": "254a5df84769eddc9fe2f0f36799a357abf390c671025c39d91d17ed24ca94c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08772",
    "kind": "arxiv",
    "version": 1
  }
}