Pith Number

pith:OYUKF4CL

pith:2017:OYUKF4CLPYMELG3LL4IBOXII6F

not attested not anchored not stored refs pending

Second-grade fluids in curved pipes

Nadir Arada, Paulo Correia

arxiv:1707.01139 v1 · 2017-07-04 · math.AP · 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{OYUKF4CLPYMELG3LL4IBOXII6F}

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	2026-05-18T00:40:53.588364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7628a2f04b7e18459b6b5f10175d08f17a59f9db80d2afc5b04d9846b1a8512b

Aliases

arxiv: 1707.01139 · arxiv_version: 1707.01139v1 · doi: 10.48550/arxiv.1707.01139 · pith_short_12: OYUKF4CLPYME · pith_short_16: OYUKF4CLPYMELG3L · pith_short_8: OYUKF4CL

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/OYUKF4CLPYMELG3LL4IBOXII6F \
  | 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: 7628a2f04b7e18459b6b5f10175d08f17a59f9db80d2afc5b04d9846b1a8512b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4453560003b2f53cec07c0a98c44c9883627328f61e5f6c9ed3f69756568d24a",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-07-04T19:27:42Z",
    "title_canon_sha256": "03d94bd0733d397681bfa6e99a1f95153896779725ad43a326e546084fc8da18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01139",
    "kind": "arxiv",
    "version": 1
  }
}