Pith Number

pith:HIRCMUOI

pith:2018:HIRCMUOI5KXR6KS7WJATYUFNYS

not attested not anchored not stored refs pending

On the structure and energetics of quasar broad absorption-line outflows

Daniel Capellupo, Fred Hamann, Hanna Herbst, Isabelle Paris

arxiv:1810.03686 v3 · 2018-10-08 · 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{HIRCMUOI5KXR6KS7WJATYUFNYS}

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	2026-05-18T00:01:26.154707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a222651c8eaaf1f2a5fb2413c50adc4a2fbda85522f2f4cda9758ba1b76720b

Aliases

arxiv: 1810.03686 · arxiv_version: 1810.03686v3 · doi: 10.48550/arxiv.1810.03686 · pith_short_12: HIRCMUOI5KXR · pith_short_16: HIRCMUOI5KXR6KS7 · pith_short_8: HIRCMUOI

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/HIRCMUOI5KXR6KS7WJATYUFNYS \
  | 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: 3a222651c8eaaf1f2a5fb2413c50adc4a2fbda85522f2f4cda9758ba1b76720b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6f2b3c5b3b0c6d3ecb9af8e032e90b3a7c9e236ee3f41e634cd2f40960813ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-10-08T20:13:35Z",
    "title_canon_sha256": "b3c36cd1805cf4b1642cce8546197ee776969c24b6b200d97c56bc8c371d8ab7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03686",
    "kind": "arxiv",
    "version": 3
  }
}