Pith Number

pith:5JJS7HHF

pith:2018:5JJS7HHFY2LJCLUMKLFALHUNPU

not attested not anchored not stored refs pending

On the AGB stars of M 4: A robust disagreement between spectroscopic observations and theory

A. M. Amarsi, B. T. MacLean, G. M. De Silva, J. Lattanzio, L. Casagrande, P. L. Cottrell, S. W. Campbell, T. Constantino, T. Nordlander, V. DOrazi

arxiv:1808.06735 v1 · 2018-08-21 · 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{5JJS7HHFY2LJCLUMKLFALHUNPU}

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	2026-05-18T00:07:05.323002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea532f9ce5c696912e8c52ca059e8d7d0c67a0c90a9b55f40eb618331fd72fc3

Aliases

arxiv: 1808.06735 · arxiv_version: 1808.06735v1 · doi: 10.48550/arxiv.1808.06735 · pith_short_12: 5JJS7HHFY2LJ · pith_short_16: 5JJS7HHFY2LJCLUM · pith_short_8: 5JJS7HHF

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/5JJS7HHFY2LJCLUMKLFALHUNPU \
  | 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: ea532f9ce5c696912e8c52ca059e8d7d0c67a0c90a9b55f40eb618331fd72fc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf40fa59c4a2146f4b95f89289bb5d8bd40e31314f1f1cf5c1aaedaddb7cadf3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-21T01:55:33Z",
    "title_canon_sha256": "e34b9947a18e6bf2b4cac461ac3fc0087c74673cf44f7292cf8e938434750d3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06735",
    "kind": "arxiv",
    "version": 1
  }
}