Pith Number

pith:3TSBSMIL

pith:2026:3TSBSMILOTUMGDMKN2SNDEGVMA

not attested not anchored not stored refs pending

Graph-based automated discovery of concise soil hydraulic functions from data: beyond the Mualem - van Genuchten model

Dongxiao Zhang, Hao Xu, Jinshen Sun, Yuntian Chen

arxiv:2605.19379 v1 · 2026-05-19 · physics.flu-dyn · cs.SC · 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{3TSBSMILOTUMGDMKN2SNDEGVMA}

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	2026-05-20T01:05:42.696984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dce419310b74e8c30d8a6ea4d190d56025a507f0cf62bb169cf9cfae29c3704d

Aliases

arxiv: 2605.19379 · arxiv_version: 2605.19379v1 · doi: 10.48550/arxiv.2605.19379 · pith_short_12: 3TSBSMILOTUM · pith_short_16: 3TSBSMILOTUMGDMK · pith_short_8: 3TSBSMIL

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/3TSBSMILOTUMGDMKN2SNDEGVMA \
  | 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: dce419310b74e8c30d8a6ea4d190d56025a507f0cf62bb169cf9cfae29c3704d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97cd1972b2c56a76e9de8ff892adf86f5ae67b9d26a0dcf4f9d6231f6e19cb52",
    "cross_cats_sorted": [
      "cs.SC",
      "physics.geo-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-05-19T05:25:53Z",
    "title_canon_sha256": "13403bfbc99466704462d1b34f3597f20f3fc9e9cb43456d883967e1057e598a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19379",
    "kind": "arxiv",
    "version": 1
  }
}