Pith Number

pith:HPUKS4KW

pith:2000:HPUKS4KWSQXNYAAO3BBBCOU3HC

not attested not anchored not stored refs pending

Gravitational Lensing Effects on High Redshift Type II Supernova Studies with NGST

Andrea Ferrara, Lucia Pozzetti, Simone Marri

arxiv:astro-ph/0001469 v1 · 2000-01-26 · 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{HPUKS4KWSQXNYAAO3BBBCOU3HC}

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	2026-05-18T04:14:55.566393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3be8a97156942edc000ed842113a9b38889c25c860f015b4d77b144b1dbd436a

Aliases

arxiv: astro-ph/0001469 · arxiv_version: astro-ph/0001469v1 · doi: 10.48550/arxiv.astro-ph/0001469 · pith_short_12: HPUKS4KWSQXN · pith_short_16: HPUKS4KWSQXNYAAO · pith_short_8: HPUKS4KW

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/HPUKS4KWSQXNYAAO3BBBCOU3HC \
  | 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: 3be8a97156942edc000ed842113a9b38889c25c860f015b4d77b144b1dbd436a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d0c4f37ac22198c7a80b8a8ec79d0d52a391f0ab2210fa91d43417a12fac9f9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-01-26T21:03:03Z",
    "title_canon_sha256": "271bb2453b2a9058a2181e0327aef3d0b075eeea3f427fbc506a151d2890dd83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0001469",
    "kind": "arxiv",
    "version": 1
  }
}