Pith Number

pith:7SZ3Q22O

pith:2022:7SZ3Q22OWCLS622LZBASV42IKF

not attested not anchored not stored refs pending

Estimating the local dark matter density in a non-axisymmetric wobbling disc

A. Widmark, C. F. P. Laporte, H. Silverwood, J. I. Read, K. Freese, K. Malhan, P. F. de Salas, S. Garbari, S. Sivertsson

arxiv:2201.01822 v1 · 2022-01-05 · 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{7SZ3Q22OWCLS622LZBASV42IKF}

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	2026-07-05T03:57:19.836527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcb3b86b4eb0972f6b4bc8412af3485142f220dc20a6da5a0531e2876cd8fdc6

Aliases

arxiv: 2201.01822 · arxiv_version: 2201.01822v1 · doi: 10.48550/arxiv.2201.01822 · pith_short_12: 7SZ3Q22OWCLS · pith_short_16: 7SZ3Q22OWCLS622L · pith_short_8: 7SZ3Q22O

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/7SZ3Q22OWCLS622LZBASV42IKF \
  | 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: fcb3b86b4eb0972f6b4bc8412af3485142f220dc20a6da5a0531e2876cd8fdc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbc551eed65112c0fd895e50567b11dfc2b8362e6ed65cc1fd968db93af02f67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-01-05T21:06:37Z",
    "title_canon_sha256": "bc36bffcfc6f76810ea7065045c30eee003c64719dfda04dea914d7903e3601c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.01822",
    "kind": "arxiv",
    "version": 1
  }
}