Pith Number

pith:VWDXCP44

pith:2018:VWDXCP44WE4SS54OYWACXMRRA7

not attested not anchored not stored refs pending

Spatially Extended Low Ionization Emission Regions (LIERs) at $z\sim0.9$

A. Vang, B. F. Lundgren, C. Martlin, D. A. Wake, D. Marchesini, G. B. Brammer, I. G. Momcheva, K. V. Nedkova, M. Bourque, N. Pirzkal, R. E. Hviding, R. E. Ryan

arxiv:1810.02819 v1 · 2018-10-05 · 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{VWDXCP44WE4SS54OYWACXMRRA7}

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	2026-05-17T23:59:49.309415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad87713f9cb13929778ec5802bb23107c63a3ffc449ecfeb8c0ceb2482f554d6

Aliases

arxiv: 1810.02819 · arxiv_version: 1810.02819v1 · doi: 10.48550/arxiv.1810.02819 · pith_short_12: VWDXCP44WE4S · pith_short_16: VWDXCP44WE4SS54O · pith_short_8: VWDXCP44

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/VWDXCP44WE4SS54OYWACXMRRA7 \
  | 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: ad87713f9cb13929778ec5802bb23107c63a3ffc449ecfeb8c0ceb2482f554d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5463ddb1c5ad689df36f9fd4c6f31c59e4ebe8ffac3d5d5880f7046acb188ffe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-10-05T18:00:00Z",
    "title_canon_sha256": "2941acd341c0c0e00e72b50aa4ee9c47c2c5671dadea4d23314df0c78d95e57d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02819",
    "kind": "arxiv",
    "version": 1
  }
}