Pith Number

pith:N7QBTAS7

pith:2019:N7QBTAS74OYASKQJ5KYO4RKS2F

not attested not anchored not stored refs pending

A broad HCO+ absorption line associated with the circumnuclear torus of NGC 1052

Chungsik Oh, Dong-Kyu Jung, Do-Young Byun, Duk-Gyoo Roh, Hyo-Ryoung Kim, Jae-Hwan Yeom, Ju-Yeon Hwang, Sang-Sung Lee, Satoko Sawada-Satoh, Seiji Kameno, Se-Jin Oh

arxiv:1902.08467 v1 · 2019-02-22 · 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	2026-05-17T23:52:01.001262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fe019825fe3b0092a09eab0ee4552d1404c842c922e2a0fb03d9ae3e18e44ad

Aliases

arxiv: 1902.08467 · arxiv_version: 1902.08467v1 · doi: 10.48550/arxiv.1902.08467 · pith_short_12: N7QBTAS74OYA · pith_short_16: N7QBTAS74OYASKQJ · pith_short_8: N7QBTAS7

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/N7QBTAS74OYASKQJ5KYO4RKS2F \
  | 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: 6fe019825fe3b0092a09eab0ee4552d1404c842c922e2a0fb03d9ae3e18e44ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7402a1fb33424a53804a0bda0d0a310697e06b76a3698c429f2310990404f3ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-22T12:33:39Z",
    "title_canon_sha256": "88e6dd3b7e4d9e91cc099bb918a6baa649b89476e919dd6f7e87c796db2e5086"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08467",
    "kind": "arxiv",
    "version": 1
  }
}