Pith Number

pith:KLZ7UTD2

pith:2025:KLZ7UTD24WM7RLNB5NFGONAHZK

not attested not anchored not stored refs pending

TNO colours provide new evidence for a past close flyby of another star to the Solar System

Frank W. Wagner, Paul Gibbon, Susanne Pfalzner

arxiv:2507.06693 v1 · 2025-07-09 · astro-ph.EP · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KLZ7UTD24WM7RLNB5NFGONAHZK}

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	2026-07-05T11:34:21.449107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52f3fa4c7ae599f8ada1eb4a673407ca82a1371a0cc399cc1f7950f39828c3c3

Aliases

arxiv: 2507.06693 · arxiv_version: 2507.06693v1 · doi: 10.48550/arxiv.2507.06693 · pith_short_12: KLZ7UTD24WM7 · pith_short_16: KLZ7UTD24WM7RLNB · pith_short_8: KLZ7UTD2

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/KLZ7UTD24WM7RLNB5NFGONAHZK \
  | 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: 52f3fa4c7ae599f8ada1eb4a673407ca82a1371a0cc399cc1f7950f39828c3c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b60caae76ec92189a37e984ea2cb8b0e04839f16840f1230542d5b1dd8b9ff04",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-07-09T09:37:35Z",
    "title_canon_sha256": "56c661e56b68631deeaae3003ef955c8a38b53155a80b262cd1671e4b2a3bd0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.06693",
    "kind": "arxiv",
    "version": 1
  }
}