Pith Number

pith:TBRHJE6X

pith:2021:TBRHJE6X2FD4UJMSQX32PYYW3S

not attested not anchored not stored refs pending

SIRIUS project II: a new tree-direct hybrid code for smoothed particle hydrodynamics/N-body simulations of star clusters

L. Wang, M.S.Fujii, T. R. Saitoh, Y. Hirai

arxiv:2101.05934 v2 · 2021-01-15 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TBRHJE6X2FD4UJMSQX32PYYW3S}

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	2026-07-05T02:43:15.539382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98627493d7d147ca259285f7a7e316dca8654ae7c2b53b5437e302d80333bef9

Aliases

arxiv: 2101.05934 · arxiv_version: 2101.05934v2 · doi: 10.48550/arxiv.2101.05934 · pith_short_12: TBRHJE6X2FD4 · pith_short_16: TBRHJE6X2FD4UJMS · pith_short_8: TBRHJE6X

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/TBRHJE6X2FD4UJMSQX32PYYW3S \
  | 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: 98627493d7d147ca259285f7a7e316dca8654ae7c2b53b5437e302d80333bef9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "744ce129363fa1a86db82051fc0471c3392777f67f8d5e4b113d237c3e19b6d2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-01-15T02:09:27Z",
    "title_canon_sha256": "b4c9460ccb69edebecbf73ac2fac6a6016d07abed65387b1cb9a42822710872f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.05934",
    "kind": "arxiv",
    "version": 2
  }
}