Pith Number

pith:EYCRDLBF

pith:2026:EYCRDLBFLVKQGCVMARL5ZRRHK4

not attested not anchored not stored refs pending

Discovery of an Unbound Flyby Companion of UBC 63: In the Immediate Aftermath of a Close Encounter

A.H. Sheikh, Biman J Medhi, H.S Das, Maheshwar Gopinathan, Motohide Tamura, Ram Sagar, Samrat Biswas, Sergio Messina, Songmei Qin, Sukanta Deb, Zhanpeng Zhu

arxiv:2607.18224 v1 · 2026-07-20 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EYCRDLBFLVKQGCVMARL5ZRRHK4}

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	2026-07-21T02:22:28.705894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

260511ac255d55030aac0457dcc627570e83da6abd107366fc6394ec5db4bdb1

Aliases

arxiv: 2607.18224 · arxiv_version: 2607.18224v1 · doi: 10.48550/arxiv.2607.18224 · pith_short_12: EYCRDLBFLVKQ · pith_short_16: EYCRDLBFLVKQGCVM · pith_short_8: EYCRDLBF

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/EYCRDLBFLVKQGCVMARL5ZRRHK4 \
  | 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: 260511ac255d55030aac0457dcc627570e83da6abd107366fc6394ec5db4bdb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e33943174d101c0e6fec7d331021e7dce9bd7f6d88b6106830e852c9e28337b9",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-20T17:57:14Z",
    "title_canon_sha256": "6c7be3dc6538ffe59b85482afd0f6ab4666fb64230417a8f2a9872e08e221a4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18224",
    "kind": "arxiv",
    "version": 1
  }
}