Pith Number

pith:5TKQJDJZ

pith:2022:5TKQJDJZOROK3QZQC7M7JSIRVW

not attested not anchored not stored refs pending

Empirical Evidence of Non-Minimally Coupled Dark Matter in the Dynamics of Local Spiral Galaxies?

Andrea Lapi, Giovanni Gandolfi, Stefano Liberati

arxiv:2203.00572 v2 · 2022-03-01 · astro-ph.CO · 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{5TKQJDJZOROK3QZQC7M7JSIRVW}

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	2026-07-05T04:14:27.889259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecd5048d39745cadc33017d9f4c911adbd7676bd0d66a81253964295c7e75df4

Aliases

arxiv: 2203.00572 · arxiv_version: 2203.00572v2 · doi: 10.48550/arxiv.2203.00572 · pith_short_12: 5TKQJDJZOROK · pith_short_16: 5TKQJDJZOROK3QZQ · pith_short_8: 5TKQJDJZ

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/5TKQJDJZOROK3QZQC7M7JSIRVW \
  | 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: ecd5048d39745cadc33017d9f4c911adbd7676bd0d66a81253964295c7e75df4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97b9e2b93c60f88a236be5564337991a902cb96de303facece7b81e4c37abb99",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-03-01T15:50:14Z",
    "title_canon_sha256": "38bffb82b16cd2419b63cdd15d8235f8dd2bf6dce90d982d181c252af9d370c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.00572",
    "kind": "arxiv",
    "version": 2
  }
}