Pith Number

pith:SSP2SV2L

pith:2015:SSP2SV2LHUOKD6A6ST4GWPR6N4

not attested not anchored not stored refs pending

Satellite galaxies in nearby groups of galaxies

J. Vennik, U. Hopp

arxiv:1512.04838 v1 · 2015-12-15 · 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{SSP2SV2LHUOKD6A6ST4GWPR6N4}

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	2026-05-18T01:24:15.297347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

949fa9574b3d1ca1f81e94f86b3e3e6f0ac7ac5320f9f7a6340dd2795b5dfedd

Aliases

arxiv: 1512.04838 · arxiv_version: 1512.04838v1 · doi: 10.48550/arxiv.1512.04838 · pith_short_12: SSP2SV2LHUOK · pith_short_16: SSP2SV2LHUOKD6A6 · pith_short_8: SSP2SV2L

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/SSP2SV2LHUOKD6A6ST4GWPR6N4 \
  | 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: 949fa9574b3d1ca1f81e94f86b3e3e6f0ac7ac5320f9f7a6340dd2795b5dfedd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6090ae09f59d91927f8283dbc2e0b3d8ac5eaf304d16db8f2ce53d0863b8343d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-15T16:17:47Z",
    "title_canon_sha256": "a3cc70dbf01ce50afc271a9a8da556127455435dfed60e00eecb3b9adf096cf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04838",
    "kind": "arxiv",
    "version": 1
  }
}