Pith Number

pith:AE4DHKWF

pith:2013:AE4DHKWFFOGOEWD2QAKXM67MVU

not attested not anchored not stored refs pending

Cactus: Issues for Sustainable Simulation Software

Erik Schnetter, Frank L\"offler, Gabrielle Allen, Steven R. Brandt

arxiv:1309.1812 v2 · 2013-09-07 · cs.CE · cs.MS · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AE4DHKWFFOGOEWD2QAKXM67MVU}

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	2026-05-18T03:13:21.036114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

013833aac52b8ce2587a8015767becad270c5c9436b67b15bfa7c4dd6cc00569

Aliases

arxiv: 1309.1812 · arxiv_version: 1309.1812v2 · doi: 10.48550/arxiv.1309.1812 · pith_short_12: AE4DHKWFFOGO · pith_short_16: AE4DHKWFFOGOEWD2 · pith_short_8: AE4DHKWF

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/AE4DHKWFFOGOEWD2QAKXM67MVU \
  | 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: 013833aac52b8ce2587a8015767becad270c5c9436b67b15bfa7c4dd6cc00569

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78d5fd5a45e9d3411d153758170321d8d5943bb66b7928ee7a18b9916df26cc6",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2013-09-07T03:18:51Z",
    "title_canon_sha256": "3637732c97f8784861c4fc994c112be8ef72f658d3fd0806a62f5350e063b8e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1812",
    "kind": "arxiv",
    "version": 2
  }
}