Pith Number

pith:WRJ6HH5C

pith:2011:WRJ6HH5CIKQLXERMWZHWSICHMP

not attested not anchored not stored refs pending

The nuclear PAH emission of merger system NGC 1614: rings within rings

Albert A. Zijlstra, Jari Kotilainen, Juha Reunanen, Petri Vaisanen, Vinesh Rajpaul

arxiv:1111.2753 v1 · 2011-11-11 · 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	2026-05-18T04:08:25.164119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b453e39fa242a0bb922cb64f69204763efaac72e713f16e6dd28aae88d702f99

Aliases

arxiv: 1111.2753 · arxiv_version: 1111.2753v1 · doi: 10.48550/arxiv.1111.2753 · pith_short_12: WRJ6HH5CIKQL · pith_short_16: WRJ6HH5CIKQLXERM · pith_short_8: WRJ6HH5C

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/WRJ6HH5CIKQLXERMWZHWSICHMP \
  | 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: b453e39fa242a0bb922cb64f69204763efaac72e713f16e6dd28aae88d702f99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df68746b0c2cac6aa90293c68bd48989cee399edbcf7dc79998409a0e35f0ba5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-11T14:34:04Z",
    "title_canon_sha256": "b1e7eac68e3994a258803e74d5e76ba5abe0cb43ac9d73f15da323cc9d8cfac4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2753",
    "kind": "arxiv",
    "version": 1
  }
}