Pith Number

pith:IRQTJLFA

pith:2002:IRQTJLFAPN55F4K2QC6DKGLGWW

not attested not anchored not stored refs pending

Gravitational Microlensing in NUT Space

Mohammad Nouri-Zonoz, Sohrab Rahvar

arxiv:astro-ph/0204282 v3 · 2002-04-17 · astro-ph · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IRQTJLFAPN55F4K2QC6DKGLGWW}

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	2026-07-04T16:29:52.373834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

446134aca07b7bd2f15a80bc351966b583bb424e193c68d3678075158b34581b

Aliases

arxiv: astro-ph/0204282 · arxiv_version: astro-ph/0204282v3 · doi: 10.48550/arxiv.astro-ph/0204282 · pith_short_12: IRQTJLFAPN55 · pith_short_16: IRQTJLFAPN55F4K2 · pith_short_8: IRQTJLFA

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/IRQTJLFAPN55F4K2QC6DKGLGWW \
  | 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: 446134aca07b7bd2f15a80bc351966b583bb424e193c68d3678075158b34581b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47778055b50b2a5bc9f7be8c1c99bfc8b04feb7e6c828b788e95b65af44b4fb9",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-04-17T12:46:01Z",
    "title_canon_sha256": "9e86fdbc74992e20a0e34bc7538c09573dcd15c12cf172e9f5afb56185c4dfa0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0204282",
    "kind": "arxiv",
    "version": 3
  }
}