Pith Number

pith:RL5YFX4Y

pith:2014:RL5YFX4YRNDHTTUM55KEQD6V2M

not attested not anchored not stored refs pending

30 GHz monitoring of broad absorption line (BAL) quasars

Bogna Pazderska, Maciej Ceglowski, Magdalena Kunert-Bajraszewska, Marcin Gawronski

arxiv:1402.2116 v1 · 2014-02-10 · astro-ph.GA · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RL5YFX4YRNDHTTUM55KEQD6V2M}

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	2026-05-18T02:49:30.457991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8afb82df988b4679ce8cef54480fd5d33f684a78d47475e40a5fc01f14f29418

Aliases

arxiv: 1402.2116 · arxiv_version: 1402.2116v1 · doi: 10.48550/arxiv.1402.2116 · pith_short_12: RL5YFX4YRNDH · pith_short_16: RL5YFX4YRNDHTTUM · pith_short_8: RL5YFX4Y

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/RL5YFX4YRNDHTTUM55KEQD6V2M \
  | 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: 8afb82df988b4679ce8cef54480fd5d33f684a78d47475e40a5fc01f14f29418

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "625e79fb1e4cc6525a146c3453a6e5ed3bd1aa2e9a5fd88fd5083288ebe2dace",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-02-10T11:37:06Z",
    "title_canon_sha256": "7e8554d879da67a493df09235d4d5a68f2d222e5d1420adb3241ad21c348b977"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2116",
    "kind": "arxiv",
    "version": 1
  }
}