Pith Number

pith:LIFLFW25

pith:1995:LIFLFW25BC7K2ETSIVOBKBXCTY

not attested not anchored not stored refs pending

MEASURING GALAXY MASSES USING GALAXY-GALAXY GRAVITATIONAL LENSING

Ian Smail, Roger Blandford, Tereasa Brainerd

arxiv:astro-ph/9503073 v1 · 1995-03-17 · 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{LIFLFW25BC7K2ETSIVOBKBXCTY}

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

2 papers in Pith

Dark Energy Survey Year 3 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing

Non-Equilibrium Relativistic Core Collapse of Self-Interacting Dark Matter Halos -- Limits On Seed Black Hole Mass

Receipt and verification

First computed	2026-05-18T01:07:41.676329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a0ab2db5d08bead1272455c1506e29e16c90f72e11c13f76a62ba3d914b02c0

Aliases

arxiv: astro-ph/9503073 · arxiv_version: astro-ph/9503073v1 · doi: 10.48550/arxiv.astro-ph/9503073 · pith_short_12: LIFLFW25BC7K · pith_short_16: LIFLFW25BC7K2ETS · pith_short_8: LIFLFW25

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/LIFLFW25BC7K2ETSIVOBKBXCTY \
  | 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: 5a0ab2db5d08bead1272455c1506e29e16c90f72e11c13f76a62ba3d914b02c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e051733f823f721619c55bfbe3206c6b97836a58b575daaea83206923ea5b08",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-03-17T21:28:52Z",
    "title_canon_sha256": "29cfff04f4afb471e8b318e6a4479349c4ee263f0a7d18985c789580f747ce56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9503073",
    "kind": "arxiv",
    "version": 1
  }
}