Pith Number

pith:TA7N5Q5I

pith:2018:TA7N5Q5IBJGEBWHFTPHKSJJC26

not attested not anchored not stored refs pending

Hydrograph peak-shaving using a graph-theoretic algorithm for placement of hydraulic control structures

Branko Kerkez, Matthew Bartos

arxiv:1809.03838 v1 · 2018-09-09 · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TA7N5Q5IBJGEBWHFTPHKSJJC26}

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	2026-05-17T23:47:30.338541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

983edec3a80a4c40d8e59bcea92522d783fd715e53d00d10d44e21de07e84cfa

Aliases

arxiv: 1809.03838 · arxiv_version: 1809.03838v1 · doi: 10.48550/arxiv.1809.03838 · pith_short_12: TA7N5Q5IBJGE · pith_short_16: TA7N5Q5IBJGEBWHF · pith_short_8: TA7N5Q5I

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/TA7N5Q5IBJGEBWHFTPHKSJJC26 \
  | 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: 983edec3a80a4c40d8e59bcea92522d783fd715e53d00d10d44e21de07e84cfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "393a23ec08a4105dc27bed49253828b14ae58925c6542af6bea4e4b530a1b732",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-09-09T07:54:20Z",
    "title_canon_sha256": "9d8b42f19cf77b9ef01ad7bcacf07d87c745a68b1cd5973e88e648776b5a0656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03838",
    "kind": "arxiv",
    "version": 1
  }
}