Pith Number

pith:JFJOLZIJ

pith:2012:JFJOLZIJD2I2WHOV3AWFT4PFTF

not attested not anchored not stored refs pending

Convergence analysis of a multigrid algorithm for the acoustic single layer equation

Jay Gopalakrishnan, Nilima Nigam, Simon Gemmrich

arxiv:1202.6083 v1 · 2012-02-27 · 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{JFJOLZIJD2I2WHOV3AWFT4PFTF}

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	2026-05-18T04:01:23.621878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4952e5e5091e91ab1dd5d82c59f1e5996cca83745feea87214133b74bf83ff27

Aliases

arxiv: 1202.6083 · arxiv_version: 1202.6083v1 · doi: 10.48550/arxiv.1202.6083 · pith_short_12: JFJOLZIJD2I2 · pith_short_16: JFJOLZIJD2I2WHOV · pith_short_8: JFJOLZIJ

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/JFJOLZIJD2I2WHOV3AWFT4PFTF \
  | 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: 4952e5e5091e91ab1dd5d82c59f1e5996cca83745feea87214133b74bf83ff27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68f70334a48b649b3b31447e80e926d289f8e281991ca678b862f88d9b4f2627",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-02-27T22:16:31Z",
    "title_canon_sha256": "e3950f5bf99aa27462abd40fa9b9008574849a9c5929decdb04c629b08fa5314"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6083",
    "kind": "arxiv",
    "version": 1
  }
}