Pith Number

pith:GZSPUE2A

pith:2026:GZSPUE2A2JB4YWXU6KKGMIMZGA

not attested not anchored not stored refs pending

Convergence of the PML method for scattering problems in poroelastic media

Bo Zhang, Changkun Wei, Qianyuan Yin

arxiv:2606.30392 v1 · 2026-06-29 · math.AP · 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{GZSPUE2A2JB4YWXU6KKGMIMZGA}

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	2026-06-30T02:18:13.358443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3664fa1340d243cc5af4f29466219930102550c0edca5ef5b61531a86430b473

Aliases

arxiv: 2606.30392 · arxiv_version: 2606.30392v1 · doi: 10.48550/arxiv.2606.30392 · pith_short_12: GZSPUE2A2JB4 · pith_short_16: GZSPUE2A2JB4YWXU · pith_short_8: GZSPUE2A

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/GZSPUE2A2JB4YWXU6KKGMIMZGA \
  | 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: 3664fa1340d243cc5af4f29466219930102550c0edca5ef5b61531a86430b473

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a3e9e4598136610ebf7adb45db05e0fcdea9a9af72e5248bd76e9597a8cdbdc",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-06-29T14:44:50Z",
    "title_canon_sha256": "2c014f9d5b9b8564124e46ab7df738d36c89ba3f7f79121581463b6b03475b4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30392",
    "kind": "arxiv",
    "version": 1
  }
}