Pith Number

pith:7R546FIX

pith:2016:7R546FIX7T4LU52XKSEBSA3OVB

not attested not anchored not stored refs pending

A structure-exploiting numbering algorithm for finite elements on extruded meshes, and its performance evaluation in Firedrake

Andrew T. T. McRae, David A. Ham, Fabio Luporini, Florian Rathgeber, Gheorghe-Teodor Bercea, Lawrence Mitchell, Luigi Nardi, Paul H. J. Kelly

arxiv:1604.05937 v3 · 2016-04-20 · cs.MS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7R546FIX7T4LU52XKSEBSA3OVB}

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	2026-05-18T01:01:00.182369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc7bcf1517fcf8ba7757548819036ea85ae23e86e745891637f146f27d6f99ff

Aliases

arxiv: 1604.05937 · arxiv_version: 1604.05937v3 · doi: 10.48550/arxiv.1604.05937 · pith_short_12: 7R546FIX7T4L · pith_short_16: 7R546FIX7T4LU52X · pith_short_8: 7R546FIX

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/7R546FIX7T4LU52XKSEBSA3OVB \
  | 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: fc7bcf1517fcf8ba7757548819036ea85ae23e86e745891637f146f27d6f99ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "019241fa024151ec257055eebaf0e7141036ff291581befb105551ad9f3105e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2016-04-20T13:05:04Z",
    "title_canon_sha256": "74405888b9a451d3151d93bd8e99dc5398161c1dc11a4c3e91bccb0234cd88b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05937",
    "kind": "arxiv",
    "version": 3
  }
}