Pith Number

pith:FZLMYE6T

pith:2019:FZLMYE6TJOPGRI6NSM5RM3CRLE

not attested not anchored not stored refs pending

Gaia-assisted discovery of a detached low-ionisation BAL quasar with very large ejection velocities

B. Milvang-Jensen, C. Ledoux, J.-K. Krogager, J. N. Burchett, J. P. U. Fynbo, J. X. Prochaska, K. E. Heintz, L. Christensen, P. Jakobsson, P. M{\o}ller, P. Noterdaeme, S. J. Geier, T. M. Tripp

arxiv:1912.10649 v2 · 2019-12-23 · 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{FZLMYE6TJOPGRI6NSM5RM3CRLE}

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	2026-07-05T00:41:53.427539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e56cc13d34b9e68a3cd933b166c51592ccfd836a326eccad25c9558bcd8b3eb

Aliases

arxiv: 1912.10649 · arxiv_version: 1912.10649v2 · doi: 10.48550/arxiv.1912.10649 · pith_short_12: FZLMYE6TJOPG · pith_short_16: FZLMYE6TJOPGRI6N · pith_short_8: FZLMYE6T

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/FZLMYE6TJOPGRI6NSM5RM3CRLE \
  | 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: 2e56cc13d34b9e68a3cd933b166c51592ccfd836a326eccad25c9558bcd8b3eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38cbec49fa96949b01a7afbcccec5eb2258169168faf20fd19aa1c81fdd14f16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-12-23T07:09:44Z",
    "title_canon_sha256": "2c6466e9193f5b7b798138ab8cf5a3400626fe95ec9318624822db34d88918e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.10649",
    "kind": "arxiv",
    "version": 2
  }
}