Pith Number

pith:HUPRSONT

pith:2020:HUPRSONTPMNGHJW3F3SNLEESUR

not attested not anchored not stored refs pending

Evolved Massive Stars at Low-metallicity II. Red Supergiant Stars in the Small Magellanic Cloud

Alceste Z. Bonanos, Bi-Wei Jiang, Frank Tramper, Grigoris Maravelias, Jian Gao, Meng-Yao Xue, Ming Yang, Panagiotis Gavras, Shu Wang, Xiao-Dian Chen, Yi Ren, Zoi T. Spetsieri

arxiv:2005.10108 v1 · 2020-05-20 · 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{HUPRSONTPMNGHJW3F3SNLEESUR}

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	2026-07-05T01:21:01.553809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d1f1939b37b1a63a6db2ee4d59092a47410ca5a381631409c7eef098a6896f8

Aliases

arxiv: 2005.10108 · arxiv_version: 2005.10108v1 · doi: 10.48550/arxiv.2005.10108 · pith_short_12: HUPRSONTPMNG · pith_short_16: HUPRSONTPMNGHJW3 · pith_short_8: HUPRSONT

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/HUPRSONTPMNGHJW3F3SNLEESUR \
  | 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: 3d1f1939b37b1a63a6db2ee4d59092a47410ca5a381631409c7eef098a6896f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "005b5a42b4c88617375633bd3986433ba8380aa6f57e5602bdac783354138908",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-05-20T15:07:27Z",
    "title_canon_sha256": "9fa8feff128698bd2a9879bef7f87158cdf47d648d05a7a17a30634ee7f8ecab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.10108",
    "kind": "arxiv",
    "version": 1
  }
}