Pith Number

pith:I6LJHPEF

pith:2025:I6LJHPEFFFQ6V2QTIO27QLLXF2

not attested not anchored not stored refs pending

A Main Sequence CH-star in the globular cluster M55 (NGC 6809)

G. S. Da Costa, T. Nordlander

arxiv:2503.22083 v1 · 2025-03-28 · 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{I6LJHPEFFFQ6V2QTIO27QLLXF2}

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	2026-07-05T10:46:03.298677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

479693bc852961eaea1343b5f82d772e8c83bd61e46f45667aafa227061269c9

Aliases

arxiv: 2503.22083 · arxiv_version: 2503.22083v1 · doi: 10.48550/arxiv.2503.22083 · pith_short_12: I6LJHPEFFFQ6 · pith_short_16: I6LJHPEFFFQ6V2QT · pith_short_8: I6LJHPEF

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/I6LJHPEFFFQ6V2QTIO27QLLXF2 \
  | 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: 479693bc852961eaea1343b5f82d772e8c83bd61e46f45667aafa227061269c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00da46ccb96cce75317f186a64b14d621c35b05df928d27594f64773afcdad24",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-03-28T02:01:25Z",
    "title_canon_sha256": "ac8c2aa73473208ccd2f9c767e57cb835bd790c425254508337c1bce279333df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.22083",
    "kind": "arxiv",
    "version": 1
  }
}