Pith Number

pith:PALAN4QT

pith:2017:PALAN4QTTOPVGFIW6LA67S5ZC7

not attested not anchored not stored refs pending

Quadrilateral grid generation supported on complex internal boundaries using spectral methods

Caracas, Oswaldo J. Jim\'enez (1) ((1) Universidad Sim\'on Bol\'ivar, Sa\'ul E. Buitrago Boret (1), Venezuela)

arxiv:1712.07007 v1 · 2017-12-19 · 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{PALAN4QTTOPVGFIW6LA67S5ZC7}

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	2026-05-18T00:27:37.462277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

781606f2139b9f531516f2c1efcbb917f33883a57f0f980dd224f9641b409add

Aliases

arxiv: 1712.07007 · arxiv_version: 1712.07007v1 · doi: 10.48550/arxiv.1712.07007 · pith_short_12: PALAN4QTTOPV · pith_short_16: PALAN4QTTOPVGFIW · pith_short_8: PALAN4QT

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/PALAN4QTTOPVGFIW6LA67S5ZC7 \
  | 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: 781606f2139b9f531516f2c1efcbb917f33883a57f0f980dd224f9641b409add

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52e7674d228b852ce1e817d126cd7e9fac74fa6a2959226d966e376f81484a97",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-12-19T15:53:22Z",
    "title_canon_sha256": "249821a70e7076b30fc481f53f091690f1e9ee163b7750cd5e607e570a1f786e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.07007",
    "kind": "arxiv",
    "version": 1
  }
}