Pith Number

pith:K6YM4DTD

pith:2009:K6YM4DTDWZAWWEIO4YL7LPLLDA

not attested not anchored not stored refs pending

Satellite galaxy velocity dispersions in the SDSS and modified gravity models

J. W. Moffat, V. T. Toth

arxiv:0901.1927 v3 · 2009-01-14 · astro-ph.CO

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

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	2026-05-18T02:52:40.221672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57b0ce0e63b6416b110ee617f5bd6b1825d347cf8be12eed00253aaa95a5e059

Aliases

arxiv: 0901.1927 · arxiv_version: 0901.1927v3 · doi: 10.48550/arxiv.0901.1927 · pith_short_12: K6YM4DTDWZAW · pith_short_16: K6YM4DTDWZAWWEIO · pith_short_8: K6YM4DTD

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/K6YM4DTDWZAWWEIO4YL7LPLLDA \
  | 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: 57b0ce0e63b6416b110ee617f5bd6b1825d347cf8be12eed00253aaa95a5e059

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c7c173f4a232727b3883781b7e7c212a1d2c11945ced8562b16f1e242a5aa06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-01-14T04:14:14Z",
    "title_canon_sha256": "91aabf567e42aeeb3d114051b6afe64e9ea3622afa7435030dad974cd29316f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1927",
    "kind": "arxiv",
    "version": 3
  }
}