Pith Number

pith:NPIOKF34

pith:2017:NPIOKF34DREP7NEF2XBYFXYUDQ

not attested not anchored not stored refs pending

Numerical aspects of Giant Impact simulations

Christian Reinhardt, Joachim Stadel

arxiv:1701.08296 v1 · 2017-01-28 · astro-ph.EP · physics.comp-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPIOKF34DREP7NEF2XBYFXYUDQ}

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	2026-05-18T00:47:48.213357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bd0e5177c1c48ffb485d5c382df141c080f013ee62579eca5381544cba03f2a

Aliases

arxiv: 1701.08296 · arxiv_version: 1701.08296v1 · doi: 10.48550/arxiv.1701.08296 · pith_short_12: NPIOKF34DREP · pith_short_16: NPIOKF34DREP7NEF · pith_short_8: NPIOKF34

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/NPIOKF34DREP7NEF2XBYFXYUDQ \
  | 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: 6bd0e5177c1c48ffb485d5c382df141c080f013ee62579eca5381544cba03f2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da0a3a819d54022bc34c7ecfccf67cb1854d0387704abc1ab2c87e619535d1b5",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-01-28T15:47:52Z",
    "title_canon_sha256": "1c7caf62b533bcffe0db6420b58934be3fe92004d957928aabbd12580eaa41ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08296",
    "kind": "arxiv",
    "version": 1
  }
}