Pith Number

pith:2FDROGNK

pith:1999:2FDROGNKCXTBKMNO3AWNGAGHTM

not attested not anchored not stored refs pending

Time Delay of PKS1830-211 Using Molecular Absorption Lines

((1) Onsala Space Observatory, (2) DEMIRM, F. Combes (2), Observatoire de Paris), T. Wiklind (1)

arxiv:astro-ph/9909314 v1 · 1999-09-17 · 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{2FDROGNKCXTBKMNO3AWNGAGHTM}

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.

Cited by

1 paper in Pith

Constraining $\gamma$-ray dissipation site in gravitationally lensed quasar -- PKS 1830$-$211

Receipt and verification

First computed	2026-07-04T14:17:07.892644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1471719aa15e61531aed82cd300c79b02203472c29b7763a8f549fb6e805082

Aliases

arxiv: astro-ph/9909314 · arxiv_version: astro-ph/9909314v1 · doi: 10.48550/arxiv.astro-ph/9909314 · pith_short_12: 2FDROGNKCXTB · pith_short_16: 2FDROGNKCXTBKMNO · pith_short_8: 2FDROGNK

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/2FDROGNKCXTBKMNO3AWNGAGHTM \
  | 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: d1471719aa15e61531aed82cd300c79b02203472c29b7763a8f549fb6e805082

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05c59e2b75c844acfce54849a15f8d7d6a135690fd48d2c2396a55d46a70daf0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-09-17T17:22:24Z",
    "title_canon_sha256": "e43185143078981141d30d8737d3a48c88eed16ed22c4cb647f8f065f3ca2f9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9909314",
    "kind": "arxiv",
    "version": 1
  }
}