Pith Number

pith:KHRTLR2B

pith:2018:KHRTLR2BDSJEJFMFFMMTKMQSHG

not attested not anchored not stored refs pending

The z=0.54 LoBAL Quasar SDSS J085053.12+445122.5: I. Spectral Synthesis Analysis Reveals a Massive Outflow

Donald M. Terndrup, Gordon T. Richards, Karen M. Leighly, Matthias Dietrich, Sarah C. Gallagher

arxiv:1808.02441 v1 · 2018-08-07 · 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{KHRTLR2BDSJEJFMFFMMTKMQSHG}

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	2026-05-18T00:03:04.112345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51e335c7411c924495852b19353212398e477097b3ad92ae08839236dad19d28

Aliases

arxiv: 1808.02441 · arxiv_version: 1808.02441v1 · doi: 10.48550/arxiv.1808.02441 · pith_short_12: KHRTLR2BDSJE · pith_short_16: KHRTLR2BDSJEJFMF · pith_short_8: KHRTLR2B

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/KHRTLR2BDSJEJFMFFMMTKMQSHG \
  | 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: 51e335c7411c924495852b19353212398e477097b3ad92ae08839236dad19d28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3718d8cdb2ed78c9db0552299f36e0b4c5aa1ed4abcca31dabb0cb97765edd34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-07T16:11:17Z",
    "title_canon_sha256": "e61accdbc2e90c1aeb6fe2bbfa8b9023c9c89e658b76255539a7e7c6acbdc8f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02441",
    "kind": "arxiv",
    "version": 1
  }
}