Pith Number

pith:JKPSWT7X

pith:2016:JKPSWT7XYRXI2WU3R26UQ5HCOL

not attested not anchored not stored refs pending

Predicting Urban Water Quality with Ubiquitous Data

David S. Rosenblum, Shuming Liu, Ye Liu, Yuxuan Liang, Yu Zheng

arxiv:1610.09462 v1 · 2016-10-29 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JKPSWT7XYRXI2WU3R26UQ5HCOL}

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	2026-05-18T01:00:51.963549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a9f2b4ff7c46e8d5a9b8ebd4874e272f5fa26d5ecd2072c963dc993d785ecb3

Aliases

arxiv: 1610.09462 · arxiv_version: 1610.09462v1 · doi: 10.48550/arxiv.1610.09462 · pith_short_12: JKPSWT7XYRXI · pith_short_16: JKPSWT7XYRXI2WU3 · pith_short_8: JKPSWT7X

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/JKPSWT7XYRXI2WU3R26UQ5HCOL \
  | 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: 4a9f2b4ff7c46e8d5a9b8ebd4874e272f5fa26d5ecd2072c963dc993d785ecb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "804accc9963242801627ee55bceb3646c0798200f69d2a7cf715f20ee3898960",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2016-10-29T06:04:14Z",
    "title_canon_sha256": "dd9703aa9d00366384006afa8222687f3052cd8deaa3428cec50bdd702e18cdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.09462",
    "kind": "arxiv",
    "version": 1
  }
}