Pith Number

pith:66TSM5EQ

pith:2025:66TSM5EQZ62ZROGLMKFMBXRVCN

not attested not anchored not stored refs pending

A Positivity-Preserving Finite Element Framework for Accurate Dose Computation in Proton Therapy

Abdalaziz Hamdan, Ben S. Ashby, Tristan Pryer

arxiv:2506.01105 v1 · 2025-06-01 · math.NA · cs.NA · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{66TSM5EQZ62ZROGLMKFMBXRVCN}

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	2026-07-05T11:13:46.506166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7a7267490cfb598b8cb628ac0de351373ae624957845f06eb6c30962716a1a7

Aliases

arxiv: 2506.01105 · arxiv_version: 2506.01105v1 · doi: 10.48550/arxiv.2506.01105 · pith_short_12: 66TSM5EQZ62Z · pith_short_16: 66TSM5EQZ62ZROGL · pith_short_8: 66TSM5EQ

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/66TSM5EQZ62ZROGLMKFMBXRVCN \
  | 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: f7a7267490cfb598b8cb628ac0de351373ae624957845f06eb6c30962716a1a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c82b146d9339463ac21d10936087a9f555a87295a9489ddbd7d9834f4a5e70b7",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.med-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-06-01T18:07:47Z",
    "title_canon_sha256": "ffb6125b2e08df1aa05853466e39dad6ef9d458db7700e1767fc5c64e3111135"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.01105",
    "kind": "arxiv",
    "version": 1
  }
}