Pith Number

pith:TYOL4WNS

pith:1994:TYOL4WNSR3PVLWEA2TAZQRO3BT

not attested not anchored not stored refs pending

Cluster mass estimates from weak lensing

Matthias Bartelmann

arxiv:astro-ph/9412051 v1 · 1994-12-15 · 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{TYOL4WNSR3PVLWEA2TAZQRO3BT}

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	2026-05-18T04:21:41.133048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e1cbe59b28edf55d880d4c19845db0ccd38e5b6e82867bb29ebdf76428a2375

Aliases

arxiv: astro-ph/9412051 · arxiv_version: astro-ph/9412051v1 · doi: 10.48550/arxiv.astro-ph/9412051 · pith_short_12: TYOL4WNSR3PV · pith_short_16: TYOL4WNSR3PVLWEA · pith_short_8: TYOL4WNS

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/TYOL4WNSR3PVLWEA2TAZQRO3BT \
  | 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: 9e1cbe59b28edf55d880d4c19845db0ccd38e5b6e82867bb29ebdf76428a2375

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c673f17ae3ae20a58cf4f629463cebd5c31268f0be9f3d509c3d9d7cc0ab8e0b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1994-12-15T15:48:47Z",
    "title_canon_sha256": "279a7410f761d80a283269a7d3acc0331fe641c0e22d11886fd08e87cef452c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9412051",
    "kind": "arxiv",
    "version": 1
  }
}