Pith Number

pith:EKLKYHOC

pith:2018:EKLKYHOCM5BGG4NKDCM2IJ35FI

not attested not anchored not stored refs pending

Recognition of an obstacle in a flow using artificial neural networks

Carlos L\'opez, Jos\'e A. Gonz\'alez, Mauricio Carrillo, Ulices Que

arxiv:1812.04569 v1 · 2018-12-11 · 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{EKLKYHOCM5BGG4NKDCM2IJ35FI}

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	2026-05-17T23:58:31.698423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2296ac1dc267426371aa1899a4277d2a234334f3418fa48d9d429f1dd77ac3f7

Aliases

arxiv: 1812.04569 · arxiv_version: 1812.04569v1 · doi: 10.48550/arxiv.1812.04569 · pith_short_12: EKLKYHOCM5BG · pith_short_16: EKLKYHOCM5BGG4NK · pith_short_8: EKLKYHOC

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/EKLKYHOCM5BGG4NKDCM2IJ35FI \
  | 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: 2296ac1dc267426371aa1899a4277d2a234334f3418fa48d9d429f1dd77ac3f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2eaedb46cffd5e9d762675b6d68e51c77c20239fb3d9d948f40eb8084158478",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-12-11T17:47:50Z",
    "title_canon_sha256": "6ec2268e25690e521e37a701213766cb963bd254a325298937db21e7c6f90105"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04569",
    "kind": "arxiv",
    "version": 1
  }
}