Pith Number

pith:ALWSVJXI

pith:2022:ALWSVJXISH45Z4SXBVIBCVGC35

not attested not anchored not stored refs pending

A Direct Parallel-in-Time Quasi-Boundary Value Method for Inverse Space-Dependent Source Problems

Jun Liu, Xiang-Sheng Wang, Yi Jiang

arxiv:2201.02687 v1 · 2022-01-07 · math.NA · cs.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{ALWSVJXISH45Z4SXBVIBCVGC35}

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	2026-07-05T03:46:47.162366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02ed2aa6e891f9dcf2570d501154c2df7c8c008119d0eafceddce7c018d4638c

Aliases

arxiv: 2201.02687 · arxiv_version: 2201.02687v1 · doi: 10.48550/arxiv.2201.02687 · pith_short_12: ALWSVJXISH45 · pith_short_16: ALWSVJXISH45Z4SX · pith_short_8: ALWSVJXI

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/ALWSVJXISH45Z4SXBVIBCVGC35 \
  | 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: 02ed2aa6e891f9dcf2570d501154c2df7c8c008119d0eafceddce7c018d4638c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43111f2b7d45c98c54551ff83232cf04e4357bd42acd73c6555e481b356feccd",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-01-07T21:48:10Z",
    "title_canon_sha256": "276d984d8f4979222acb346b00993a2237a5d331bf80ffdfc19853aa4f6e922a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.02687",
    "kind": "arxiv",
    "version": 1
  }
}