Pith Number

pith:3ZTNA2P7

pith:2018:3ZTNA2P7A6P5GKC2F72BLOVZ32

not attested not anchored not stored refs pending

Deceleration of CIV and SiIV broad absorption lines in X-ray bright quasar SDSS-J092345+512710

Hum Chand, Luis C. Ho, Pasquier Noterdaeme, Patrick Petitjean, Raghunathan Srianand, Ravi Joshi, Xue-Bing Wu

arxiv:1808.05622 v2 · 2018-08-16 · 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{3ZTNA2P7A6P5GKC2F72BLOVZ32}

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	2026-05-17T23:55:20.086599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de66d069ff079fd3285a2ff415bab9deb8eab3d7412a7551f36d8376ae755626

Aliases

arxiv: 1808.05622 · arxiv_version: 1808.05622v2 · doi: 10.48550/arxiv.1808.05622 · pith_short_12: 3ZTNA2P7A6P5 · pith_short_16: 3ZTNA2P7A6P5GKC2 · pith_short_8: 3ZTNA2P7

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/3ZTNA2P7A6P5GKC2F72BLOVZ32 \
  | 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: de66d069ff079fd3285a2ff415bab9deb8eab3d7412a7551f36d8376ae755626

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f2b42905e75a0f81e97380b62712770ed2f201f38de3ed0fa36a0ddd4a3cfe3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-16T18:00:02Z",
    "title_canon_sha256": "1fbcc6717952bb0d1b9468a485e19da43a875c97b4f5da997d14bfc7af290f5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05622",
    "kind": "arxiv",
    "version": 2
  }
}