Pith Number

pith:PVDPCVOZ

pith:2011:PVDPCVOZWH4UAPRXZLUMGM33PO

not attested not anchored not stored refs pending

SPHS: Smoothed Particle Hydrodynamics with a higher order dissipation switch

J. I. Read, T. Hayfield

arxiv:1111.6985 v1 · 2011-11-29 · astro-ph.CO · 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{PVDPCVOZWH4UAPRXZLUMGM33PO}

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	2026-05-18T01:59:21.627904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d46f155d9b1f9403e37cae8c3337b7ba135457f985f0fb603bc4e35e65ff92f

Aliases

arxiv: 1111.6985 · arxiv_version: 1111.6985v1 · doi: 10.48550/arxiv.1111.6985 · pith_short_12: PVDPCVOZWH4U · pith_short_16: PVDPCVOZWH4UAPRX · pith_short_8: PVDPCVOZ

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/PVDPCVOZWH4UAPRXZLUMGM33PO \
  | 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: 7d46f155d9b1f9403e37cae8c3337b7ba135457f985f0fb603bc4e35e65ff92f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "779189eb8e49714a9bcbbcff4139761d8a683c616991d5b3d5868539a486ed66",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-29T21:10:45Z",
    "title_canon_sha256": "600e3c9990deaaa969d4015d2cb0771b2f0253652d9c13e1f405278600094497"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6985",
    "kind": "arxiv",
    "version": 1
  }
}