Pith Number

pith:DBOURTOD

pith:2018:DBOURTODQ7CMIIOYV2IL45T7BA

not attested not anchored not stored refs pending

Towards an informed quest for accretion disc winds in quasars: the intriguing case of Ton 28

Arcetri), Elisabeta Lusso (Durham-CEA), Emanuele Nardini (INAF-Arcetri), Susanna Bisogni (CfA

arxiv:1811.00012 v1 · 2018-10-31 · 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	2026-05-18T00:01:25.261659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

185d48cdc387c4c421d8ae90be767f083b870204fa415803ae5fa3f186d6a8d9

Aliases

arxiv: 1811.00012 · arxiv_version: 1811.00012v1 · doi: 10.48550/arxiv.1811.00012 · pith_short_12: DBOURTODQ7CM · pith_short_16: DBOURTODQ7CMIIOY · pith_short_8: DBOURTOD

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/DBOURTODQ7CMIIOYV2IL45T7BA \
  | 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: 185d48cdc387c4c421d8ae90be767f083b870204fa415803ae5fa3f186d6a8d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51a4accc165d6430667b66d1b31b9615b03af35c12540d35fa4f1bcef0c7d353",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-10-31T18:00:00Z",
    "title_canon_sha256": "8fd31706ca2c042699c3049e1d531d431732b95c538c0ee50b7e52bc0de704bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00012",
    "kind": "arxiv",
    "version": 1
  }
}