Pith Number

pith:EHGC7QYW

pith:2021:EHGC7QYWOQGX42OVDOJ7WMSLF4

not attested not anchored not stored refs pending

BDF$6$ SAV schemes for time-fractional Allen-Cahn dissipative systems

Fan Yu, Minghua Chen

arxiv:2104.09032 v1 · 2021-04-19 · 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{EHGC7QYWOQGX42OVDOJ7WMSLF4}

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	2026-07-05T02:32:58.168343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21cc2fc316740d7e69d51b93fb324b2f149467c7f5850715ab43d6c3d9a54d1d

Aliases

arxiv: 2104.09032 · arxiv_version: 2104.09032v1 · doi: 10.48550/arxiv.2104.09032 · pith_short_12: EHGC7QYWOQGX · pith_short_16: EHGC7QYWOQGX42OV · pith_short_8: EHGC7QYW

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/EHGC7QYWOQGX42OVDOJ7WMSLF4 \
  | 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: 21cc2fc316740d7e69d51b93fb324b2f149467c7f5850715ab43d6c3d9a54d1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cde288a36b047fb5698b62e72733fdd2415c5a2e0826a7625a39f568a87b48b8",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-04-19T03:32:45Z",
    "title_canon_sha256": "01934c11511cc6ac04658ceb4870271d536febc4fa5ad15d300296c722ac0add"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.09032",
    "kind": "arxiv",
    "version": 1
  }
}