Pith Number

pith:J64ASBWS

pith:2016:J64ASBWSZY4U3PMLK4NZJTVAVU

not attested not anchored not stored refs pending

Decreasing groundwater quality at Cisadane riverbanks: groundwater-surface water approach

Arno Adi Kuntoro, Dasapta Erwin Irawan, Defitri Yeni, Deny Juanda Puradimaja, Miga Magenika Julian

arxiv:1603.09380 v1 · 2016-03-25 · physics.geo-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{J64ASBWSZY4U3PMLK4NZJTVAVU}

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	2026-05-18T01:17:58.801416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fb80906d2ce394dbd8b571b94cea0ad2cdd4bd25cceb7767faf20f77c0bcd47

Aliases

arxiv: 1603.09380 · arxiv_version: 1603.09380v1 · doi: 10.48550/arxiv.1603.09380 · pith_short_12: J64ASBWSZY4U · pith_short_16: J64ASBWSZY4U3PML · pith_short_8: J64ASBWS

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/J64ASBWSZY4U3PMLK4NZJTVAVU \
  | 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: 4fb80906d2ce394dbd8b571b94cea0ad2cdd4bd25cceb7767faf20f77c0bcd47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "652b9b9518a946a74fdef80691820bbb3afab0fa74eba9dbfa6362112c0b3581",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2016-03-25T01:40:25Z",
    "title_canon_sha256": "f59c3b7b4992a96d7899edeab0cfe213ad8c84eb54a78e4b142d0c8c318a4de0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09380",
    "kind": "arxiv",
    "version": 1
  }
}