Pith Number

pith:AYJMF5DA

pith:1995:AYJMF5DAAQLNGP54EH7W3ZPUFV

not attested not anchored not stored refs pending

Hubble Space Telescope Observations of the Lensing Cluster Abell 2218

I. Smail, J.-P. Kneib, R.S. Ellis, W.J. Couch & R.M. Sharples

arxiv:astro-ph/9511015 v1 · 1995-11-02 · 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{AYJMF5DAAQLNGP54EH7W3ZPUFV}

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

4 papers in Pith

A new $H_0$ measurement with SNe Requiem and Encore using $\texttt{Gravity.jl}$

Between Degeneracy and Evolution: UV-to-optical Insights into the BH$^*$ Model in Little Red Dots

A new $H_0$ measurement with SNe Requiem and Encore using $\texttt{Gravity.jl}$

Receipt and verification

First computed	2026-07-04T15:58:08.732518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0612c2f4600416d33fbc21ff6de5f42d522052e3eab0011b50b86ce821e29485

Aliases

arxiv: astro-ph/9511015 · arxiv_version: astro-ph/9511015v1 · doi: 10.48550/arxiv.astro-ph/9511015 · pith_short_12: AYJMF5DAAQLN · pith_short_16: AYJMF5DAAQLNGP54 · pith_short_8: AYJMF5DA

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/AYJMF5DAAQLNGP54EH7W3ZPUFV \
  | 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: 0612c2f4600416d33fbc21ff6de5f42d522052e3eab0011b50b86ce821e29485

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9332524e3a26348820555c177ba908535ce5c2d25775fb6c24b01ac308d2734",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-11-02T20:44:00Z",
    "title_canon_sha256": "d1ffab845220fab131f621ec4ebf57655dc513fb0c398eab11ef2532360d9c85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9511015",
    "kind": "arxiv",
    "version": 1
  }
}