Pith Number

pith:SQQLJMT3

pith:2012:SQQLJMT3AAPZUB5TK6J2NKS5LH

not attested not anchored not stored refs pending

XMDS2: Fast, scalable simulation of coupled stochastic partial differential equations

Graham R. Dennis, Joseph J. Hope, Mattias T. Johnsson

arxiv:1204.4255 v2 · 2012-04-19 · physics.comp-ph · quant-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{SQQLJMT3AAPZUB5TK6J2NKS5LH}

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	2026-05-18T03:40:16.186626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9420b4b27b001f9a07b35793a6aa5d59d875c738f480affa81fc3c8ca18dc4d1

Aliases

arxiv: 1204.4255 · arxiv_version: 1204.4255v2 · doi: 10.48550/arxiv.1204.4255 · pith_short_12: SQQLJMT3AAPZ · pith_short_16: SQQLJMT3AAPZUB5T · pith_short_8: SQQLJMT3

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/SQQLJMT3AAPZUB5TK6J2NKS5LH \
  | 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: 9420b4b27b001f9a07b35793a6aa5d59d875c738f480affa81fc3c8ca18dc4d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1408ca68d6165aff92ce9352c517f0c8e65a834504a84b41e4fa483e0c0877d7",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2012-04-19T05:31:12Z",
    "title_canon_sha256": "e0f505099b4d000aa5b793b6ae54c9057d10810f7535ec978543c902feeac844"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4255",
    "kind": "arxiv",
    "version": 2
  }
}