Pith Number

pith:4PFJAQBG

pith:2015:4PFJAQBG4ETTWXW2WDLRPD7MMP

not attested not anchored not stored refs pending

Numerical experiments on the efficiency of local grid refinement based on truncation error estimates

Alexandros Syrakos, Apostolos Goulas, Georgios Efthimiou, John G. Bartzis

arxiv:1508.02345 v1 · 2015-08-10 · physics.comp-ph · cs.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{4PFJAQBG4ETTWXW2WDLRPD7MMP}

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	2026-05-18T01:35:33.473815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3ca904026e1273b5edab0d7178fec63ffd3dd6dbf8b815c3d00a3c5ac710fde

Aliases

arxiv: 1508.02345 · arxiv_version: 1508.02345v1 · doi: 10.48550/arxiv.1508.02345 · pith_short_12: 4PFJAQBG4ETT · pith_short_16: 4PFJAQBG4ETTWXW2 · pith_short_8: 4PFJAQBG

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/4PFJAQBG4ETTWXW2WDLRPD7MMP \
  | 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: e3ca904026e1273b5edab0d7178fec63ffd3dd6dbf8b815c3d00a3c5ac710fde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c1967315e6dc0a284709967bd5b91faf25474a105190bbd6f4d2674fae71aad",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2015-08-10T18:26:27Z",
    "title_canon_sha256": "0b3b08674024b30ef024f0698a77658e6453d6b1faaf8b6789a2ad4d0c8e8087"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02345",
    "kind": "arxiv",
    "version": 1
  }
}