Pith Number

pith:PLFHQTRK

pith:2026:PLFHQTRKRAK2AJNVADN75VOMYP

not attested not anchored not stored refs pending

First measurement of narrow-line flux ratios for a lensed quasar with JWST/NIRSpec IFS

Anna M. Nierenberg, Anowar J. Shajib, Daniel Gilman, Hadrien Paugnat, Shawn Knabel, Tommaso Treu

arxiv:2606.23808 v1 · 2026-06-22 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PLFHQTRKRAK2AJNVADN75VOMYP}

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	2026-06-24T00:14:27.507439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7aca784e2a8815a025b500dbfed5ccc3cc14a67c5dcfd26e23113c0b49244f3f

Aliases

arxiv: 2606.23808 · arxiv_version: 2606.23808v1 · doi: 10.48550/arxiv.2606.23808 · pith_short_12: PLFHQTRKRAK2 · pith_short_16: PLFHQTRKRAK2AJNV · pith_short_8: PLFHQTRK

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/PLFHQTRKRAK2AJNVADN75VOMYP \
  | 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: 7aca784e2a8815a025b500dbfed5ccc3cc14a67c5dcfd26e23113c0b49244f3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "380283a84d04fe534039f1a446d8a569e0abac6ac8f7ba652b7bbc46028da39f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-22T18:00:10Z",
    "title_canon_sha256": "37de89d99bd50a1fcae2f322da406f18ee6e87728bef04502698efe6ebce5d37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23808",
    "kind": "arxiv",
    "version": 1
  }
}