Pith Number

pith:PRTFYT2K

pith:2019:PRTFYT2KNC3EEBZCFQDQYI72X7

not attested not anchored not stored refs pending

Homogenization of a pseudo-parabolic system via a spatial-temporal decoupling: upscaling and corrector estimates for perforated domains

Adrian Muntean, Arthur Johannes Vromans, Fons van de Ven

arxiv:1901.04263 v1 · 2019-01-14 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PRTFYT2KNC3EEBZCFQDQYI72X7}

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	2026-05-17T23:56:25.976302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c665c4f4a68b64207222c070c23fabffc44bb23f0e2d8c8984eeab5288b0a7a

Aliases

arxiv: 1901.04263 · arxiv_version: 1901.04263v1 · doi: 10.48550/arxiv.1901.04263 · pith_short_12: PRTFYT2KNC3E · pith_short_16: PRTFYT2KNC3EEBZC · pith_short_8: PRTFYT2K

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/PRTFYT2KNC3EEBZCFQDQYI72X7 \
  | 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: 7c665c4f4a68b64207222c070c23fabffc44bb23f0e2d8c8984eeab5288b0a7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93df19804f70df303c3f89b232b5194d90fd1551328e07650f35874fce194dfe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-01-14T12:35:47Z",
    "title_canon_sha256": "4ca978d4aa4223624576da66ce723067199251e1dbb0f019236fe784f03155a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04263",
    "kind": "arxiv",
    "version": 1
  }
}