Pith Number

pith:FS3A4PZW

pith:2004:FS3A4PZWN7NV3344EHZI44BTFT

not attested not anchored not stored refs pending

On the mass of the gravitational lenses in LMC

G. Scarpetta, L. Mancini, Ph. Jetzer, S. Calchi Novati

arxiv:astro-ph/0409016 v1 · 2004-09-01 · 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{FS3A4PZWN7NV3344EHZI44BTFT}

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	2026-05-18T04:10:48.582066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cb60e3f366fdb5def9c21f28e70332cf534b5bfdd68b680a241e0baed501c31

Aliases

arxiv: astro-ph/0409016 · arxiv_version: astro-ph/0409016v1 · doi: 10.48550/arxiv.astro-ph/0409016 · pith_short_12: FS3A4PZWN7NV · pith_short_16: FS3A4PZWN7NV3344 · pith_short_8: FS3A4PZW

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/FS3A4PZWN7NV3344EHZI44BTFT \
  | 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: 2cb60e3f366fdb5def9c21f28e70332cf534b5bfdd68b680a241e0baed501c31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1d75816a283e5cabea33574b3b3f9aaa5ad1e8f0f0c022820118b2ed4514ba5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-01T19:04:31Z",
    "title_canon_sha256": "2ab025cb0cfa4dc7918557fb1f0e1106e1e21e80ace69779f39a80b1d64d09b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409016",
    "kind": "arxiv",
    "version": 1
  }
}