Pith Number

pith:R5OAVOFQ

pith:2018:R5OAVOFQUHYN66IPFOPD233GIR

not attested not anchored not stored refs pending

Emergence and Variability of Broad Absorption Line Quasar Outflows

Jesse A. Rogerson, Nabeel S. Ahmed, Nur Filiz Ak, Paola Rodr\'iguez Hidalgo, Patrick B. Hall, William N. Brandt

arxiv:1807.07594 v1 · 2018-07-19 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R5OAVOFQUHYN66IPFOPD233GIR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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	2026-05-18T00:10:16.176871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f5c0ab8b0a1f0df790f2b9e3d6f664453fa1e09c3f06cbace8d1c52cd26f579

Aliases

arxiv: 1807.07594 · arxiv_version: 1807.07594v1 · doi: 10.48550/arxiv.1807.07594 · pith_short_12: R5OAVOFQUHYN · pith_short_16: R5OAVOFQUHYN66IP · pith_short_8: R5OAVOFQ

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/R5OAVOFQUHYN66IPFOPD233GIR \
  | 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: 8f5c0ab8b0a1f0df790f2b9e3d6f664453fa1e09c3f06cbace8d1c52cd26f579

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db395b22900e04a7477421c53ec565bcd8693102bcc3c933169b93fff88f363a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-19T18:28:35Z",
    "title_canon_sha256": "09f6be85b78284f3c3b2a485f5593828da6aa6d79ff0b52a033ccaeeb9d8bdad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07594",
    "kind": "arxiv",
    "version": 1
  }
}