Pith Number

pith:6SSEOEF4

pith:2015:6SSEOEF4UVE3UMDQZWW7BNLBYB

not attested not anchored not stored refs pending

An Extension of Godunov SPH: Application to Negative Pressure Media

Keisuke Sugiura, Shu-ichiro Inutsuka

arxiv:1505.05230 v2 · 2015-05-20 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6SSEOEF4UVE3UMDQZWW7BNLBYB}

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	2026-05-18T01:20:46.337095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4a44710bca549ba3070cdadf0b561c05d6fd219dbf67ed1bc2231a43f9f45cc

Aliases

arxiv: 1505.05230 · arxiv_version: 1505.05230v2 · doi: 10.48550/arxiv.1505.05230 · pith_short_12: 6SSEOEF4UVE3 · pith_short_16: 6SSEOEF4UVE3UMDQ · pith_short_8: 6SSEOEF4

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/6SSEOEF4UVE3UMDQZWW7BNLBYB \
  | 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: f4a44710bca549ba3070cdadf0b561c05d6fd219dbf67ed1bc2231a43f9f45cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62831c6d7852d6e6d71161efe158712bacc002ec5ed5b1ba64a89e1102ff152b",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-05-20T02:43:17Z",
    "title_canon_sha256": "d6d1838824ee957aded67795c8d15b2dc348288037fc5e598338d44add81144f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05230",
    "kind": "arxiv",
    "version": 2
  }
}