Pith Number

pith:LNQMBCQD

pith:2000:LNQMBCQDCWMETHKQTPP5ASESI3

not attested not anchored not stored refs pending

The extinction curve of the lensing galaxy of B1152+199 at z=0.44

(2) Liege), Ingunn Burud (2) ((1) Copenhagen, Jens Hjorth (1), Sune Toft (1)

arxiv:astro-ph/0003098 v1 · 2000-03-07 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LNQMBCQDCWMETHKQTPP5ASESI3}

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	2026-05-18T04:21:42.737866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b60c08a031598499d509bdfd0489246f2ed354c80ba69109deb5c1b3f95fe61

Aliases

arxiv: astro-ph/0003098 · arxiv_version: astro-ph/0003098v1 · doi: 10.48550/arxiv.astro-ph/0003098 · pith_short_12: LNQMBCQDCWME · pith_short_16: LNQMBCQDCWMETHKQ · pith_short_8: LNQMBCQD

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/LNQMBCQDCWMETHKQTPP5ASESI3 \
  | 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: 5b60c08a031598499d509bdfd0489246f2ed354c80ba69109deb5c1b3f95fe61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "055cebc77a2b28318684ec736693ba916985cde04a276d7e8b0a8b65419ecded",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-03-07T15:49:35Z",
    "title_canon_sha256": "3ae54ca0ed480f4ab4055a1e22846835cbd537ebb5c2e6ff7f8283f7da6cfe22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0003098",
    "kind": "arxiv",
    "version": 1
  }
}