Pith Number

pith:Z4ZUNG3W

pith:2025:Z4ZUNG3WEDHO373HDOYGJHXJZH

not attested not anchored not stored refs pending

Galaxy infall models for arbitrary velocity directions

David Benisty, Jenny Wagner

arxiv:2501.13149 v3 · 2025-01-22 · astro-ph.GA · astro-ph.CO · astro-ph.IM · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z4ZUNG3WEDHO373HDOYGJHXJZH}

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	2026-07-05T11:23:08.536232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf33469b7620ceedff671bb0649ee9c9f446c2557d05f4aedf78ef8eefd78db1

Aliases

arxiv: 2501.13149 · arxiv_version: 2501.13149v3 · doi: 10.48550/arxiv.2501.13149 · pith_short_12: Z4ZUNG3WEDHO · pith_short_16: Z4ZUNG3WEDHO373H · pith_short_8: Z4ZUNG3W

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/Z4ZUNG3WEDHO373HDOYGJHXJZH \
  | 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: cf33469b7620ceedff671bb0649ee9c9f446c2557d05f4aedf78ef8eefd78db1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f360fbb1c365cdbad987408e69e4146ba9b36483aca2dacc87c6cb1c46e5ec02",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM",
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-01-22T19:00:00Z",
    "title_canon_sha256": "31bd59b9bde423f1c97178a4a088b4f3dffdd8dbfa4e1597160489716e20ee2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.13149",
    "kind": "arxiv",
    "version": 3
  }
}