Pith Number

pith:BFW76JMA

pith:1999:BFW76JMAEXI3LT6ROBYXUZANZD

not attested not anchored not stored refs pending

The Top Ten List of Gravitational Lens Candidates from the HST Medium Deep Survey

E. J. Ostrander, K. U. Ratnatunga, R. E. Griffiths

arxiv:astro-ph/9902100 v1 · 1999-02-06 · 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{BFW76JMAEXI3LT6ROBYXUZANZD}

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

A Joint Analysis of Strong Lensing and Type Ia Supernovae to Determine the Hubble Constant

Receipt and verification

First computed	2026-07-04T16:10:41.561599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

096dff258025d1b5cfd170717a640dc8f176e249afcfeb74deebcec515643bc1

Aliases

arxiv: astro-ph/9902100 · arxiv_version: astro-ph/9902100v1 · doi: 10.48550/arxiv.astro-ph/9902100 · pith_short_12: BFW76JMAEXI3 · pith_short_16: BFW76JMAEXI3LT6R · pith_short_8: BFW76JMA

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/BFW76JMAEXI3LT6ROBYXUZANZD \
  | 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: 096dff258025d1b5cfd170717a640dc8f176e249afcfeb74deebcec515643bc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1ecc62d3627b3c5d3db87a1e44931fe7c7c2d5761bbf5d3d52df5da680d345e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-02-06T00:19:02Z",
    "title_canon_sha256": "3e264f72639e0b841d9aca925c58b6adf0b4685938330b70cc3b02a7af4b914d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9902100",
    "kind": "arxiv",
    "version": 1
  }
}