Pith Number

pith:KG7P4MYE

pith:2018:KG7P4MYEXNUYMI5XPUN4MDJCQV

not attested not anchored not stored refs pending

Boundary conditions for the Stokes problem and a pressure-Poisson problem

Kazunori Matsui

arxiv:1812.10200 v1 · 2018-12-26 · 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{KG7P4MYEXNUYMI5XPUN4MDJCQV}

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	2026-05-17T23:57:24.835899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51befe3304bb698623b77d1bc60d22855484a78761b596c2305311048ba2c019

Aliases

arxiv: 1812.10200 · arxiv_version: 1812.10200v1 · doi: 10.48550/arxiv.1812.10200 · pith_short_12: KG7P4MYEXNUY · pith_short_16: KG7P4MYEXNUYMI5X · pith_short_8: KG7P4MYE

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/KG7P4MYEXNUYMI5XPUN4MDJCQV \
  | 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: 51befe3304bb698623b77d1bc60d22855484a78761b596c2305311048ba2c019

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83e4cca0ab1ea27515f26cee0392f185812933f262b1c61b1a88b450d4dabede",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-12-26T02:02:36Z",
    "title_canon_sha256": "5223aa40b7f9d5fecbd11c419c0ce85e8997a91ee06d4d6af07e1b53eefa560a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10200",
    "kind": "arxiv",
    "version": 1
  }
}