Pith Number

pith:V7DPAOJF

pith:2019:V7DPAOJFQCKGB2LRPVNSLXNWPS

not attested not anchored not stored refs pending

Optimal sensing for fish school identification

Costas Papadimitriou, Georgios Arampatzis, Guido Novati, Pascal Weber, Petros Koumoutsakos, Siddhartha Verma

arxiv:1910.09937 v1 · 2019-10-22 · physics.flu-dyn · physics.bio-ph · physics.comp-ph · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V7DPAOJFQCKGB2LRPVNSLXNWPS}

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	2026-07-05T01:06:09.043079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afc6f03925809460e9717d5b25ddb67c8f5a5c9a5470a5ddfc341df00c900d1d

Aliases

arxiv: 1910.09937 · arxiv_version: 1910.09937v1 · doi: 10.48550/arxiv.1910.09937 · pith_short_12: V7DPAOJFQCKG · pith_short_16: V7DPAOJFQCKGB2LR · pith_short_8: V7DPAOJF

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/V7DPAOJFQCKGB2LRPVNSLXNWPS \
  | 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: afc6f03925809460e9717d5b25ddb67c8f5a5c9a5470a5ddfc341df00c900d1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f695691d485045c970dd3d02394f148a54a5a1af81d70f3bc565152aa910c03f",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "physics.comp-ph",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2019-10-22T12:57:26Z",
    "title_canon_sha256": "ce979a82c6f63d2c2f9543a97ec3cd2dd4e212159e9de56b1e378c70c33e08c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.09937",
    "kind": "arxiv",
    "version": 1
  }
}