Pith Number

pith:NTB35CLZ

pith:2012:NTB35CLZMGHF2CKO65AOZL2ULW

not attested not anchored not stored refs pending

The Universe at Extreme Scale: Multi-Petaflop Sky Simulation on the BG/Q

Adrian Pope, David Daniel, Hal Finkel, Joe Insley, Kalyan Kumaran, Katrin Heitmann, Nicholas Frontiere, Patricia Fasel, Salman Habib, Tom Peterka, Vitali Morozov, Zarija Lukic

arxiv:1211.4864 v1 · 2012-11-19 · cs.DC · astro-ph.CO · astro-ph.IM · cs.PF · physics.comp-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{NTB35CLZMGHF2CKO65AOZL2ULW}

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	2026-05-18T03:39:52.575056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cc3be8979618e5d094ef740ecaf545da135ab5f45754d4be21d4575b3506ba8

Aliases

arxiv: 1211.4864 · arxiv_version: 1211.4864v1 · doi: 10.48550/arxiv.1211.4864 · pith_short_12: NTB35CLZMGHF · pith_short_16: NTB35CLZMGHF2CKO · pith_short_8: NTB35CLZ

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/NTB35CLZMGHF2CKO65AOZL2ULW \
  | 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: 6cc3be8979618e5d094ef740ecaf545da135ab5f45754d4be21d4575b3506ba8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "882b790efcebc80be7ec7579f7bf56fc130e7f4b18c4d275c8ad0743841940f6",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM",
      "cs.PF",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2012-11-19T23:23:22Z",
    "title_canon_sha256": "94c73c3a5d4317d44a8b3c0ef63b2123dc2a4cfffc2d0ac147c7febcb9700840"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4864",
    "kind": "arxiv",
    "version": 1
  }
}