Pith Number

pith:G6ZC7NFE

pith:2011:G6ZC7NFEBYBBQLNONQASA3R7JV

not attested not anchored not stored refs pending

The Extreme Small Scales: Do Satellite Galaxies Trace Dark Matter?

Andreas A. Berlind, Cameron K. McBride (Vanderbilt University), David W. Hogg, Douglas F. Watson, Tao Jiang (NYU)

arxiv:1108.1195 v2 · 2011-08-04 · astro-ph.CO · astro-ph.GA

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	2026-05-18T02:01:02.643948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37b22fb4a40e02182dae6c01206e3f4d4afb0fc6570cd2619dd9f4e309817683

Aliases

arxiv: 1108.1195 · arxiv_version: 1108.1195v2 · doi: 10.48550/arxiv.1108.1195 · pith_short_12: G6ZC7NFEBYBB · pith_short_16: G6ZC7NFEBYBBQLNO · pith_short_8: G6ZC7NFE

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/G6ZC7NFEBYBBQLNONQASA3R7JV \
  | 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: 37b22fb4a40e02182dae6c01206e3f4d4afb0fc6570cd2619dd9f4e309817683

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d617051ecb7c4014de6591038bdcf2ce35c105582208ea75457ee159c732302",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-04T20:00:02Z",
    "title_canon_sha256": "702ec3b68df3594af213ba768817e8eb24ba13d0fab6ce0f796af37167bf4682"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1195",
    "kind": "arxiv",
    "version": 2
  }
}