Pith Number

pith:THBMFBZD

pith:2019:THBMFBZD25CGYZGU66CFVKHRWR

not attested not anchored not stored refs pending

Pipe Roughness Identification of Water Distribution Networks: The Full Turbulent Case

Martin Horn, Martin Steinberger, Stefan Kaltenbacher

arxiv:1908.07794 v2 · 2019-08-21 · eess.SY · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{THBMFBZD25CGYZGU66CFVKHRWR}

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	2026-07-05T00:18:39.628483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99c2c28723d7446c64d4f7845aa8f1b47e4551bc419fee831fd29a0b6c4dba8c

Aliases

arxiv: 1908.07794 · arxiv_version: 1908.07794v2 · doi: 10.48550/arxiv.1908.07794 · pith_short_12: THBMFBZD25CG · pith_short_16: THBMFBZD25CGYZGU · pith_short_8: THBMFBZD

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/THBMFBZD25CGYZGU66CFVKHRWR \
  | 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: 99c2c28723d7446c64d4f7845aa8f1b47e4551bc419fee831fd29a0b6c4dba8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa7ba16964067d6cfd2cca1d554fd10abcce6bca1613a24c1581d586bef6c587",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2019-08-21T11:04:01Z",
    "title_canon_sha256": "bf157c6ae1214cec6dbaf3896c179171e44552464204b45303d2a577dd277435"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07794",
    "kind": "arxiv",
    "version": 2
  }
}