Pith Number

pith:XBDWGJEA

pith:2025:XBDWGJEAKOH6ZPWD5W6NFMSNUG

not attested not anchored not stored refs pending

Optical spectroscopic signatures of the red giant evolutionary state

Andrew R. Casey, Claudia Reyes, Daniel B. Zucker, Dennis Stello, Ella Xi Wang, Jie Yu, Joss Bland-Hawthorn, Karin Lind, Madeleine McKenzie, Marc Hon, Marc Pinsonneault, Melissa Ness, Michael Hayden, Mingjie Jian, Pradosh Barun Das, Richard de Grijs, Sarah Martell, Sven Buder, Thomas Nordlander, Xiaoting Fu

arxiv:2506.02889 v1 · 2025-06-03 · 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{XBDWGJEAKOH6ZPWD5W6NFMSNUG}

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	2026-07-05T11:15:11.433656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b847632480538fecbec3edbcd2b24da1a2687be9be5a30571da26a0c2972a4fe

Aliases

arxiv: 2506.02889 · arxiv_version: 2506.02889v1 · doi: 10.48550/arxiv.2506.02889 · pith_short_12: XBDWGJEAKOH6 · pith_short_16: XBDWGJEAKOH6ZPWD · pith_short_8: XBDWGJEA

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/XBDWGJEAKOH6ZPWD5W6NFMSNUG \
  | 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: b847632480538fecbec3edbcd2b24da1a2687be9be5a30571da26a0c2972a4fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65dc9a2276b0118022a629f1d382fbb05c8d95cea69d3832fea60799c5dc5cc6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-06-03T13:54:49Z",
    "title_canon_sha256": "7f54f79a36dbc48efb9d4a109df56d4e17f8c5b6821a72ea752d4b578ab32ff8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.02889",
    "kind": "arxiv",
    "version": 1
  }
}