Pith Number

pith:WGCT2SBS

pith:2021:WGCT2SBSMYAZ3NKO42MEBYKSB5

not attested not anchored not stored refs pending

A first estimate of the Milky Way dark matter halo spin

A. Obreja, A. V. Macci\`o, T. Buck

arxiv:2110.11490 v1 · 2021-10-21 · 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{WGCT2SBSMYAZ3NKO42MEBYKSB5}

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	2026-07-05T03:42:52.654307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1853d483266019db54ee69840e1520f673b93202c951cc5652e8f069cdccd4f

Aliases

arxiv: 2110.11490 · arxiv_version: 2110.11490v1 · doi: 10.48550/arxiv.2110.11490 · pith_short_12: WGCT2SBSMYAZ · pith_short_16: WGCT2SBSMYAZ3NKO · pith_short_8: WGCT2SBS

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/WGCT2SBSMYAZ3NKO42MEBYKSB5 \
  | 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: b1853d483266019db54ee69840e1520f673b93202c951cc5652e8f069cdccd4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2244bc22c061d77be5c715ca2a22116347d84edd9ce2521f6fb931c13216b517",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-10-21T21:34:26Z",
    "title_canon_sha256": "58558f954cc2b0a0c4bd6c62155611edcda206ca259d623b51b403b3c0c9a02b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.11490",
    "kind": "arxiv",
    "version": 1
  }
}