Pith Number

pith:6YTYDYKX

pith:2018:6YTYDYKXIDM7KMKIUFFB47DJQP

not attested not anchored not stored refs pending

Opacity, variability and kinematics of AGN jets

Alexander Kutkin, Hugh Aller, Ilya Pashchenko, Kirill Sokolovsky, Margo Aller, Yuri Y. Kovalev

arxiv:1809.05536 v3 · 2018-09-14 · astro-ph.GA · astro-ph.HE

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	2026-05-17T23:48:33.828801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f62781e15740d9f53148a14a1e7c6983cda4ecc7a47bd44efc1e3114db4dcb8e

Aliases

arxiv: 1809.05536 · arxiv_version: 1809.05536v3 · doi: 10.48550/arxiv.1809.05536 · pith_short_12: 6YTYDYKXIDM7 · pith_short_16: 6YTYDYKXIDM7KMKI · pith_short_8: 6YTYDYKX

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/6YTYDYKXIDM7KMKIUFFB47DJQP \
  | 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: f62781e15740d9f53148a14a1e7c6983cda4ecc7a47bd44efc1e3114db4dcb8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c94fddfadb23d4be21a763d7611ccfcdc749d0457a5280a046db8e79fb7d2f56",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-14T18:00:00Z",
    "title_canon_sha256": "17cef08141f2c073fe9aac7dc4e1127fe6a9c050868de1c404e4c4cbf36552e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05536",
    "kind": "arxiv",
    "version": 3
  }
}