Pith Number

pith:TKNMS2MP

pith:2026:TKNMS2MPIDS7VE7RN4XCZAG6Q5

not attested not anchored not stored refs pending

Reconstructing GRACE Terrestrial Water Storage with Spatio-Temporal Graph Neural Networks: An Application to South America

Annette Eicker, Klara Middendorf, Lara Johannsen, Lukas Arzoumanidis, Youness Dehbi

arxiv:2606.23833 v1 · 2026-06-22 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TKNMS2MPIDS7VE7RN4XCZAG6Q5}

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	2026-06-24T00:14:28.158782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a9ac9698f40e5fa93f16f2e2c80de87770e77cf98a82bf85c27a67dd287158c

Aliases

arxiv: 2606.23833 · arxiv_version: 2606.23833v1 · doi: 10.48550/arxiv.2606.23833 · pith_short_12: TKNMS2MPIDS7 · pith_short_16: TKNMS2MPIDS7VE7R · pith_short_8: TKNMS2MP

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/TKNMS2MPIDS7VE7RN4XCZAG6Q5 \
  | 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: 9a9ac9698f40e5fa93f16f2e2c80de87770e77cf98a82bf85c27a67dd287158c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "118e735db030965dfde06b205a2346005f062784dbdf169d84320e889a90813e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-22T18:15:58Z",
    "title_canon_sha256": "3e1ddd66acc87a297a98278ab28631b41e956898a159da5bb5e5e73e04b609ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23833",
    "kind": "arxiv",
    "version": 1
  }
}