Pith Number

pith:I5FRAHEH

pith:2024:I5FRAHEHXOX4YKORNC2EONG4QM

not attested not anchored not stored refs pending

Red supergiant stars in binary systems II. Confirmation of B-type companions of red supergiants in the Small Magellanic Cloud using Hubble ultra-violet spectroscopy

A. Schootemeijer, D. J. Lennon, D. Thilker, I. Negueruela, L. Bianchi, L. R. Patrick, N. Langer, R. Dorda

arxiv:2412.18554 v1 · 2024-12-24 · astro-ph.SR · 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{I5FRAHEHXOX4YKORNC2EONG4QM}

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.

Cited by

1 paper in Pith

Near-infrared characterization of evolved massive stars in M31 and M33

Receipt and verification

First computed	2026-07-05T11:48:47.046961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

474b101c87bbafcc29d168b44734dc83361e768299ec5a883f87242ca49b7154

Aliases

arxiv: 2412.18554 · arxiv_version: 2412.18554v1 · doi: 10.48550/arxiv.2412.18554 · pith_short_12: I5FRAHEHXOX4 · pith_short_16: I5FRAHEHXOX4YKOR · pith_short_8: I5FRAHEH

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/I5FRAHEHXOX4YKORNC2EONG4QM \
  | 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: 474b101c87bbafcc29d168b44734dc83361e768299ec5a883f87242ca49b7154

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4ffb02fcb8d6958c4a7dd820babda363f510610705366943dee9852e091bdf1",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-12-24T17:09:37Z",
    "title_canon_sha256": "cbf76a4362329f1cb8239a35e7eeaafb9d89194aa15b4d6e2b2891b329635722"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.18554",
    "kind": "arxiv",
    "version": 1
  }
}