Pith Number

pith:SPUT6Y2E

pith:1998:SPUT6Y2E5LUYDGKFBB7USIE3NL

not attested not anchored not stored refs pending

A new analysis of the Red Giant Branch "Tip" distance scale and the value of the Hubble constant

M. Salaris (Max-Planck-Institut fur Astrophysik, Munich), S. Cassisi (Osservatorio Astronomico Teramo)

arxiv:astro-ph/9803103 v1 · 1998-03-10 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPUT6Y2E5LUYDGKFBB7USIE3NL}

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

2 papers in Pith

A Jet from a Nearly Dormant Black Hole

Redshift Duality with Pantheon+SH0ES in a Planck-anchored Flat $\Lambda$CDM Framework: Implications for Hubble Tension and Observational Inference

Receipt and verification

First computed	2026-07-04T16:06:13.459499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93e93f6344eae9819945087f49209b6ae5978ccdbcaba9d80ad125bc41e20785

Aliases

arxiv: astro-ph/9803103 · arxiv_version: astro-ph/9803103v1 · doi: 10.48550/arxiv.astro-ph/9803103 · pith_short_12: SPUT6Y2E5LUY · pith_short_16: SPUT6Y2E5LUYDGKF · pith_short_8: SPUT6Y2E

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/SPUT6Y2E5LUYDGKFBB7USIE3NL \
  | 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: 93e93f6344eae9819945087f49209b6ae5978ccdbcaba9d80ad125bc41e20785

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be566eb04f1dedcb00384e3a46f0cb98fd14d41b82cc5cf75a2353f988ad20e5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-03-10T08:34:05Z",
    "title_canon_sha256": "d7c8d5b6155dc156873d3522863b8426e907c2614e811ac82baf00cbb18ea767"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9803103",
    "kind": "arxiv",
    "version": 1
  }
}