Pith Number

pith:FQY2WPHE

pith:2017:FQY2WPHEA64S4AZGR46PH6ZT3W

not attested not anchored not stored refs pending

Forming disc galaxies in major mergers II. The central mass concentration problem and a comparison of GADGET3 with GIZMO

E. Athanassoula, N. Peschken, S.A. Rodionov

arxiv:1701.02685 v1 · 2017-01-10 · 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{FQY2WPHEA64S4AZGR46PH6ZT3W}

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	2026-05-18T00:48:15.413011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c31ab3ce407b92e03268f3cf3fb33ddbfa720696b5303fd36276155f3d8a3f9

Aliases

arxiv: 1701.02685 · arxiv_version: 1701.02685v1 · doi: 10.48550/arxiv.1701.02685 · pith_short_12: FQY2WPHEA64S · pith_short_16: FQY2WPHEA64S4AZG · pith_short_8: FQY2WPHE

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/FQY2WPHEA64S4AZGR46PH6ZT3W \
  | 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: 2c31ab3ce407b92e03268f3cf3fb33ddbfa720696b5303fd36276155f3d8a3f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a0e4fad733ba2c740bbe06522514db4449d50d56fb2a67d4f884db316cc80e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-10T16:55:02Z",
    "title_canon_sha256": "1f145dabb48fd2abd970bd61ef8dedcfe1b1bbac55aaa389a354e169330a4cf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02685",
    "kind": "arxiv",
    "version": 1
  }
}