Pith Number

pith:T3JJR54T

pith:2019:T3JJR54TXTPC5MU77LPF74DNYA

not attested not anchored not stored refs pending

Landing Dynamics of a Seagull Examined by Field Observation and Mathematical Modeling

Ikkyu Aihara, Isamu Hikosaka, Tohru Kawabe, Yuri Eisaki

arxiv:1903.07541 v1 · 2019-03-15 · 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{T3JJR54TXTPC5MU77LPF74DNYA}

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	2026-05-17T23:51:01.063040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ed298f793bcde2eb29ffade5ff06dc0368a5c2839b997aa2f098c54fb1fa22d

Aliases

arxiv: 1903.07541 · arxiv_version: 1903.07541v1 · doi: 10.48550/arxiv.1903.07541 · pith_short_12: T3JJR54TXTPC · pith_short_16: T3JJR54TXTPC5MU7 · pith_short_8: T3JJR54T

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/T3JJR54TXTPC5MU77LPF74DNYA \
  | 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: 9ed298f793bcde2eb29ffade5ff06dc0368a5c2839b997aa2f098c54fb1fa22d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2427c35e0883bb42c0c9ecd849ff915ba8cc4c046acf7aacb147a759b9924efa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2019-03-15T15:41:49Z",
    "title_canon_sha256": "32041a9882e1a6230b75b415ae9326c4a339c0ffadb8a061f01cc70c111bb0da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07541",
    "kind": "arxiv",
    "version": 1
  }
}