Pith Number

pith:CJQ6C3NC

pith:2026:CJQ6C3NC3PEOIESZW7KIOTHCI5

not attested not anchored not stored refs pending

Distributed optimal control problems governed by poroelasticity equations

Arbaz Khan, Harpal Singh, Jeonghun J. Lee

arxiv:2605.30839 v1 · 2026-05-29 · math.OC · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CJQ6C3NC3PEOIESZW7KIOTHCI5}

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	2026-06-01T01:03:20.291706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1261e16da2dbc8e41259b7d4874ce24779626d75afedd9f440c5ec67046be29f

Aliases

arxiv: 2605.30839 · arxiv_version: 2605.30839v1 · doi: 10.48550/arxiv.2605.30839 · pith_short_12: CJQ6C3NC3PEO · pith_short_16: CJQ6C3NC3PEOIESZ · pith_short_8: CJQ6C3NC

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/CJQ6C3NC3PEOIESZW7KIOTHCI5 \
  | 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: 1261e16da2dbc8e41259b7d4874ce24779626d75afedd9f440c5ec67046be29f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43a513a82161ca47a05927aa458a4e1f7de52810871ad01fe357f7b7a38ac47a",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-05-29T04:51:07Z",
    "title_canon_sha256": "01d1c77b0a97242a314ebce25c47a58f058d2c8a0f6e7e73bc641d9e6225ce1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30839",
    "kind": "arxiv",
    "version": 1
  }
}