Pith Number

pith:LRRDHMI4

pith:1998:LRRDHMI4JUDWPPYIKC4T6D62IE

not attested not anchored not stored refs pending

Weak Lensing: Prospects for Measuring Cosmological Parameters

Max Tegmark (IAS, Princeton), Wayne Hu

arxiv:astro-ph/9811168 v1 · 1998-11-11 · 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{LRRDHMI4JUDWPPYIKC4T6D62IE}

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	2026-07-04T16:07:10.571262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c6233b11c4d0767bf0850b93f0fda4119f51a774c9712175a53cbd2e9e93fdc

Aliases

arxiv: astro-ph/9811168 · arxiv_version: astro-ph/9811168v1 · doi: 10.48550/arxiv.astro-ph/9811168 · pith_short_12: LRRDHMI4JUDW · pith_short_16: LRRDHMI4JUDWPPYI · pith_short_8: LRRDHMI4

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/LRRDHMI4JUDWPPYIKC4T6D62IE \
  | 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: 5c6233b11c4d0767bf0850b93f0fda4119f51a774c9712175a53cbd2e9e93fdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c78e573f45c0a6d2d4d5ff02c6d60bc213dd099a17e5aca3610901f36115f24",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-11-11T01:03:11Z",
    "title_canon_sha256": "0cf1938e5919715de4d85d60d94e4c361f4d0bdd4be4d9d80ac6fe5ad8df587c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9811168",
    "kind": "arxiv",
    "version": 1
  }
}