Pith Number

pith:2WRYUKCU

pith:2008:2WRYUKCUETFQDKPCSTQ7R26UD2

not attested not anchored not stored refs pending

Tuned Finite-Difference Diffusion Operators

Jason Maron, Mordecai-Mark Mac Low

arxiv:0811.2534 v2 · 2008-11-15 · astro-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{2WRYUKCUETFQDKPCSTQ7R26UD2}

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	2026-05-18T02:15:20.916097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5a38a285424cb01a9e294e1f8ebd41eb890dc0b128ddc20618304149cd82565

Aliases

arxiv: 0811.2534 · arxiv_version: 0811.2534v2 · doi: 10.48550/arxiv.0811.2534 · pith_short_12: 2WRYUKCUETFQ · pith_short_16: 2WRYUKCUETFQDKPC · pith_short_8: 2WRYUKCU

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/2WRYUKCUETFQDKPCSTQ7R26UD2 \
  | 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: d5a38a285424cb01a9e294e1f8ebd41eb890dc0b128ddc20618304149cd82565

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e80c701176ec66192bb9aadb0a912719d790c40dc05c0edda9a041a0e3ed352d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-15T22:30:32Z",
    "title_canon_sha256": "f3c8dc5326a6418df73144329ce99b280bd3916afdc5e48f615e69f88c05afab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.2534",
    "kind": "arxiv",
    "version": 2
  }
}