Pith Number

pith:OERJSFOB

pith:1996:OERJSFOB4LYF7KTR2Z6Z4BIJNM

not attested not anchored not stored refs pending

The Mass distribution of the Cluster 0957+561 from Gravitational Lensing

Gary Bernstein, George Rhee, J. Anthony Tyson, Philippe Fischer

arxiv:astro-ph/9608117 v2 · 1996-08-19 · 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{OERJSFOB4LYF7KTR2Z6Z4BIJNM}

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	2026-05-18T01:07:40.912244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71229915c1e2f05faa71d67d9e05096b2696be4678b03959a0e693bcce25f878

Aliases

arxiv: astro-ph/9608117 · arxiv_version: astro-ph/9608117v2 · doi: 10.48550/arxiv.astro-ph/9608117 · pith_short_12: OERJSFOB4LYF · pith_short_16: OERJSFOB4LYF7KTR · pith_short_8: OERJSFOB

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/OERJSFOB4LYF7KTR2Z6Z4BIJNM \
  | 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: 71229915c1e2f05faa71d67d9e05096b2696be4678b03959a0e693bcce25f878

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d620b20e7cdfa41ef8c9c1a5f072a77ad130fab33b9b00ceff144608a1e8b70",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-08-19T22:40:02Z",
    "title_canon_sha256": "73508448189b5ae91aa5e0d6f73436cc8d511a1cefeeedbfba5a1a8fc6b50596"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9608117",
    "kind": "arxiv",
    "version": 2
  }
}