Pith Number

pith:BBAK5NMS

pith:2026:BBAK5NMSDZYECKM7HTIA3LXWLX

not attested not anchored not stored refs pending

Is S301 the Captured Companion of the Hypervelocity Star S5-HVS1?

Andrea Caputo, Giovanni Maria Tomaselli

arxiv:2607.22517 v1 · 2026-07-24 · astro-ph.GA · astro-ph.HE · 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{BBAK5NMSDZYECKM7HTIA3LXWLX}

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	2026-07-27T01:21:31.614596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0840aeb5921e7041299f3cd00daef65de317b1cea3ee8d8cfe1a395720b3991b

Aliases

arxiv: 2607.22517 · arxiv_version: 2607.22517v1 · doi: 10.48550/arxiv.2607.22517 · pith_short_12: BBAK5NMSDZYE · pith_short_16: BBAK5NMSDZYECKM7 · pith_short_8: BBAK5NMS

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/BBAK5NMSDZYECKM7HTIA3LXWLX \
  | 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: 0840aeb5921e7041299f3cd00daef65de317b1cea3ee8d8cfe1a395720b3991b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d75c449c6b3296ca2214fa010e172688c0b725cd6c8ed32666ccc1783e299801",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-24T17:39:27Z",
    "title_canon_sha256": "1b8afbbecfdfda345c12c3a312bc31b9fdf3dcc9fa1140c10ce91af3916be536"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22517",
    "kind": "arxiv",
    "version": 1
  }
}