Pith Number

pith:5SJNXRLQ

pith:2015:5SJNXRLQMYZRCLE7ZOQGR2VM5P

not attested not anchored not stored refs pending

Keck/ESI Long-slit Spectroscopy of SBS 1421+511: A Recoiling Quasar Nucleus in An Active Galaxy Pair?

Hongyan Zhou, Jian Ge, Jingzhe Ma, Lei Hao, Luming Sun, Peng Jiang, Shaohua Zhang, Tuo Ji, Xinwen Shu

arxiv:1512.05877 v1 · 2015-12-18 · 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	2026-05-18T01:20:40.931998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec92dbc5706633112c9fcba068eaacebc7be4815279447e16006c7a785fccf20

Aliases

arxiv: 1512.05877 · arxiv_version: 1512.05877v1 · doi: 10.48550/arxiv.1512.05877 · pith_short_12: 5SJNXRLQMYZR · pith_short_16: 5SJNXRLQMYZRCLE7 · pith_short_8: 5SJNXRLQ

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/5SJNXRLQMYZRCLE7ZOQGR2VM5P \
  | 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: ec92dbc5706633112c9fcba068eaacebc7be4815279447e16006c7a785fccf20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30b9130f0f891647de550d77be50a4ce2ee6903906a032c4abc63e1cd5ac896d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-18T09:16:09Z",
    "title_canon_sha256": "a9c585b12c19b62267f7ca186b8679a8d4750511228fbf546329b97b89954e66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05877",
    "kind": "arxiv",
    "version": 1
  }
}