Pith Number

pith:UUERUBH3

pith:2025:UUERUBH3U6YTYI7P6HQPE4G7BO

not attested not anchored not stored refs pending

The Red and Yellow Hypergiants

Terry Jones

arxiv:2507.15962 v1 · 2025-07-21 · 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{UUERUBH3U6YTYI7P6HQPE4G7BO}

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	2026-07-05T11:40:59.987080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5091a04fba7b13c23eff1e0f270df0bb9402dce84c647423de63ed6fcf32869

Aliases

arxiv: 2507.15962 · arxiv_version: 2507.15962v1 · doi: 10.48550/arxiv.2507.15962 · pith_short_12: UUERUBH3U6YT · pith_short_16: UUERUBH3U6YTYI7P · pith_short_8: UUERUBH3

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/UUERUBH3U6YTYI7P6HQPE4G7BO \
  | 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: a5091a04fba7b13c23eff1e0f270df0bb9402dce84c647423de63ed6fcf32869

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b2b14b8c980f180ec49ac208c4052959cae5870200377d9e0162c26d3187719",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-07-21T18:04:36Z",
    "title_canon_sha256": "8b572144ac403a0bb03ff609f4acdc1e196a2023c6fcfb565ecdc5f2dcd494c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.15962",
    "kind": "arxiv",
    "version": 1
  }
}