Pith Number

pith:NPQIUJXK

pith:2018:NPQIUJXKVK7TKZQX3WIZTTFU4M

not attested not anchored not stored refs pending

Relaminarization by steady modification of the streamwise velocity profile in a pipe

B. Hof, D. Scarselli, J. K\"uhnen, M. Schaner

arxiv:1802.01331 v1 · 2018-02-05 · 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{NPQIUJXKVK7TKZQX3WIZTTFU4M}

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	2026-05-18T00:24:26.688788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6be08a26eaaabf356617dd9199ccb4e3088e6c4144d0f4b6aa06735a725c0036

Aliases

arxiv: 1802.01331 · arxiv_version: 1802.01331v1 · doi: 10.48550/arxiv.1802.01331 · pith_short_12: NPQIUJXKVK7T · pith_short_16: NPQIUJXKVK7TKZQX · pith_short_8: NPQIUJXK

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/NPQIUJXKVK7TKZQX3WIZTTFU4M \
  | 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: 6be08a26eaaabf356617dd9199ccb4e3088e6c4144d0f4b6aa06735a725c0036

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e87c78086ffb4e3e85c5d427eb9e19ac32fa86090e57eedc2d57255d09e0ed6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-02-05T10:19:54Z",
    "title_canon_sha256": "a05c5c2099bffd56012117ea2b0e00b7798d6ab3945e00bd66006fcd0d107fd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01331",
    "kind": "arxiv",
    "version": 1
  }
}