Pith Number

pith:H7UH546A

pith:2012:H7UH546A6AHU263QT7F4VCNLSL

not attested not anchored not stored refs pending

A unified FETI-DP approach for incompressible Stokes equations

Jing Li, Xuemin Tu

arxiv:1208.1781 v1 · 2012-08-08 · 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{H7UH546A6AHU263QT7F4VCNLSL}

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	2026-05-18T03:48:35.775563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fe87ef3c0f00f4d7b709fcbca89ab92f009c482a427d1ff8b0d5a7bc9c2b9de

Aliases

arxiv: 1208.1781 · arxiv_version: 1208.1781v1 · doi: 10.48550/arxiv.1208.1781 · pith_short_12: H7UH546A6AHU · pith_short_16: H7UH546A6AHU263Q · pith_short_8: H7UH546A

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/H7UH546A6AHU263QT7F4VCNLSL \
  | 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: 3fe87ef3c0f00f4d7b709fcbca89ab92f009c482a427d1ff8b0d5a7bc9c2b9de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad8c5987738725eb9664cb59df16420c0b6e461bf861d636563d5d9c5c66e31f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-08-08T20:44:57Z",
    "title_canon_sha256": "c1161f5b6c0f3c951c210ce7d7387e6660aa2230f477820628c3fa6742336b2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1781",
    "kind": "arxiv",
    "version": 1
  }
}