Pith Number

pith:VOOOOKSK

pith:2011:VOOOOKSKTYFWNMQB3QDGVHO6QS

not attested not anchored not stored refs pending

PKS 1814-637: a powerful radio-loud AGN in a disk galaxy

C. Ramos Almeida, C. Tadhunter, D. Dicken, J. Holt, K. Inskip, R. Morganti, T. Oosterloo, T. Tzioumis

arxiv:1109.0630 v1 · 2011-09-03 · 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	2026-05-18T02:00:40.397374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab9ce72a4a9e0b66b201dc066a9dde8489366194c3b2b39ea3fb7cd31ab1e2ab

Aliases

arxiv: 1109.0630 · arxiv_version: 1109.0630v1 · doi: 10.48550/arxiv.1109.0630 · pith_short_12: VOOOOKSKTYFW · pith_short_16: VOOOOKSKTYFWNMQB · pith_short_8: VOOOOKSK

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/VOOOOKSKTYFWNMQB3QDGVHO6QS \
  | 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: ab9ce72a4a9e0b66b201dc066a9dde8489366194c3b2b39ea3fb7cd31ab1e2ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77470ad01ba1e170fe3081468ef96ce04fe1a6f771995171461dda9cf740a331",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-03T15:56:54Z",
    "title_canon_sha256": "d84014357891402097e0af6b25e4b6584b3dd2f3e6ef153fced1950e07cd19ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0630",
    "kind": "arxiv",
    "version": 1
  }
}