Pith Number

pith:DB3GS33A

pith:2001:DB3GS33AZOMXU2Y6NSPBTQ3XYZ

not attested not anchored not stored refs pending

Wide field weak lensing observations of A1689

D. Clowe, P. Schneider

arxiv:astro-ph/0107433 v2 · 2001-07-23 · 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{DB3GS33AZOMXU2Y6NSPBTQ3XYZ}

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	2026-07-04T16:23:44.927510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1876696f60cb997a6b1e6c9e19c377c670daf59b342d817842f300f1e9f23f2a

Aliases

arxiv: astro-ph/0107433 · arxiv_version: astro-ph/0107433v2 · doi: 10.48550/arxiv.astro-ph/0107433 · pith_short_12: DB3GS33AZOMX · pith_short_16: DB3GS33AZOMXU2Y6 · pith_short_8: DB3GS33A

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/DB3GS33AZOMXU2Y6NSPBTQ3XYZ \
  | 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: 1876696f60cb997a6b1e6c9e19c377c670daf59b342d817842f300f1e9f23f2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "740ae2279c9ff0ed5b9f31095c5f76d94d2188e4ffb2a4ca0dcdeb8eab9cf10a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-23T12:02:30Z",
    "title_canon_sha256": "75bbac979c21cb92af74757db3fd813718cb91bee06ff9663110133e1b41750a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107433",
    "kind": "arxiv",
    "version": 2
  }
}