Pith Number

pith:VUZWMT74

pith:2019:VUZWMT742KSZINWU7YZPND4X5Q

not attested not anchored not stored refs pending

Gravitational lensing reveals ionizing ultraviolet photons escaping from a distant galaxy

Guillaume Mahler, H{\aa}kon Dahle, Jane R. Rigby, John Chisholm, Keren Sharon, Matthew Bayliss, Max Gronke, Michael D. Gladders, Michael K. Florian, T. Emil Rivera-Thorsen

arxiv:1904.08186 v3 · 2019-04-17 · 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{VUZWMT742KSZINWU7YZPND4X5Q}

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	2026-07-05T00:17:50.741522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad33664ffcd2a59436d4fe32f68f97ec10bf2c1a984f5fd8294e66e20d1ee455

Aliases

arxiv: 1904.08186 · arxiv_version: 1904.08186v3 · doi: 10.48550/arxiv.1904.08186 · pith_short_12: VUZWMT742KSZ · pith_short_16: VUZWMT742KSZINWU · pith_short_8: VUZWMT74

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/VUZWMT742KSZINWU7YZPND4X5Q \
  | 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: ad33664ffcd2a59436d4fe32f68f97ec10bf2c1a984f5fd8294e66e20d1ee455

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b23e6bcc4b5dcd0857262977d29219eab6f6eddeeb28d53480443d393c5ce3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-17T11:14:23Z",
    "title_canon_sha256": "9fe7b9f4537f4abe105503f8bc522b5509084acc2734ba19885fea5232b2ba4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08186",
    "kind": "arxiv",
    "version": 3
  }
}