Pith Number

pith:TQFBKESB

pith:2009:TQFBKESB33ZSWSYPT6EBA7S6MN

not attested not anchored not stored refs pending

High performance computing for classic gravitational N-body systems

Italy), Roberto Capuzzo-Dolcetta (Dept. of Physics, Roma, Sapienza, Universita di Roma

arxiv:0901.1018 v1 · 2009-01-08 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TQFBKESB33ZSWSYPT6EBA7S6MN}

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	2026-05-18T02:35:08.333556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c0a151241def32b4b0f9f88107e5e637d287e4c7dde8b10bf473f6c30769324

Aliases

arxiv: 0901.1018 · arxiv_version: 0901.1018v1 · doi: 10.48550/arxiv.0901.1018 · pith_short_12: TQFBKESB33ZS · pith_short_16: TQFBKESB33ZSWSYP · pith_short_8: TQFBKESB

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/TQFBKESB33ZSWSYPT6EBA7S6MN \
  | 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: 9c0a151241def32b4b0f9f88107e5e637d287e4c7dde8b10bf473f6c30769324

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc5f2b16d04c22f039ed2be9931c2849430af22e7cbf23db734e7b4a22381a60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-01-08T11:07:54Z",
    "title_canon_sha256": "0b4b510c2af3d180f121a5ca32fa6edbb08790cb9ac04a2ed7573fe026eeb88c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1018",
    "kind": "arxiv",
    "version": 1
  }
}