Pith Number

pith:ETKBXZYM

pith:2013:ETKBXZYMGEL254ON4QCHFMGQSE

not attested not anchored not stored refs pending

Physics-compatible discretization techniques on single and dual grids, with application to the Poisson equation of volume forms

Artur Palha, Jasper Kreeft, Marc Gerritsma, Pedro Pinto Rebelo, Ren\'e Hiemstra

arxiv:1304.6908 v1 · 2013-04-25 · 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{ETKBXZYMGEL254ON4QCHFMGQSE}

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	2026-05-18T02:12:11.829927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24d41be70c3117aef1cde40472b0d091364795e2987d9a990e71ebc929d8f7f4

Aliases

arxiv: 1304.6908 · arxiv_version: 1304.6908v1 · doi: 10.48550/arxiv.1304.6908 · pith_short_12: ETKBXZYMGEL2 · pith_short_16: ETKBXZYMGEL254ON · pith_short_8: ETKBXZYM

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/ETKBXZYMGEL254ON4QCHFMGQSE \
  | 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: 24d41be70c3117aef1cde40472b0d091364795e2987d9a990e71ebc929d8f7f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d71252ec77434bd4996b4f0ecd6a4a0629a51c7001f6e4a422f6fbfcf7ded624",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-04-25T13:49:01Z",
    "title_canon_sha256": "fc698728daea3d937dde0b45e8cae5a1f6eb2a9131426012e3d8a24bd83a133f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6908",
    "kind": "arxiv",
    "version": 1
  }
}