Pith Number

pith:HHKA2OHK

pith:2015:HHKA2OHKL4IVV5GKRYAPR3W42P

not attested not anchored not stored refs pending

Investigating the Global Collapse of Filaments Using Smoothed Particle Hydrodynamics

Anthony P. Whitworth, Seamus D. Clarke

arxiv:1502.07552 v1 · 2015-02-26 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHKA2OHKL4IVV5GKRYAPR3W42P}

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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.

Cited by

1 paper in Pith

Evolution of compressed clouds formed by filament coalescence. I. Oblique collisions

Receipt and verification

First computed	2026-05-18T02:20:12.197784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39d40d38ea5f115af4ca8e00f8eedcd3eb6856468447d9cd6d0f0a4349d0fd4b

Aliases

arxiv: 1502.07552 · arxiv_version: 1502.07552v1 · doi: 10.48550/arxiv.1502.07552 · pith_short_12: HHKA2OHKL4IV · pith_short_16: HHKA2OHKL4IVV5GK · pith_short_8: HHKA2OHK

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/HHKA2OHKL4IVV5GKRYAPR3W42P \
  | 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: 39d40d38ea5f115af4ca8e00f8eedcd3eb6856468447d9cd6d0f0a4349d0fd4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ccc39fdbd00cbc6eae212a512d061affbda62f8da9e3abb71611033e6d214b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-02-26T13:53:45Z",
    "title_canon_sha256": "d36d1723e98bbe9846e6ecb9d39614d4b460e81b1276991a3472412ed9c3ccc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07552",
    "kind": "arxiv",
    "version": 1
  }
}