Pith Number

pith:ZW4ZRIPC

pith:2026:ZW4ZRIPCJ564OL7D4GA3P3V5YB

not attested not anchored not stored refs pending

Mass and radius measurements of the neutron star 47~Tuc X7 -- A new bias-free method

C. Kazantsev, L. Mauviard, N.A. Webb, S. Guillot, T. Salmi

arxiv:2605.28411 v1 · 2026-05-27 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZW4ZRIPCJ564OL7D4GA3P3V5YB}

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	2026-05-28T01:05:17.443102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdb998a1e24f7dc72fe3e181b7eebdc04b9429b22d3c9a655f487cb9b22008b6

Aliases

arxiv: 2605.28411 · arxiv_version: 2605.28411v1 · doi: 10.48550/arxiv.2605.28411 · pith_short_12: ZW4ZRIPCJ564 · pith_short_16: ZW4ZRIPCJ564OL7D · pith_short_8: ZW4ZRIPC

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/ZW4ZRIPCJ564OL7D4GA3P3V5YB \
  | 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: cdb998a1e24f7dc72fe3e181b7eebdc04b9429b22d3c9a655f487cb9b22008b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76b12450d7ffac5c93129947c7dd919c44e5c3a5914da67993004dfd748a8ea0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-05-27T12:47:15Z",
    "title_canon_sha256": "a3295df57ebd1d2555fca437c0bfab45bc0e25681dc52737706da884cf9aad8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28411",
    "kind": "arxiv",
    "version": 1
  }
}