Pith Number

pith:3MDWGVDF

pith:2018:3MDWGVDFKBISNMVI7IWJMSHGWU

not attested not anchored not stored refs pending

The Mass of the Cepheid V350 Sgr

Alexey Rastorguev, Charles Proffitt, Elaine M. Winston, Gladys V. Kober, H. Moritz G\"unther, Kenneth G. Carpenter, L. Inno, Nancy Remage Evans, Natalia Gorynya

arxiv:1808.10472 v1 · 2018-08-30 · 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{3MDWGVDFKBISNMVI7IWJMSHGWU}

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	2026-05-18T00:03:15.108527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db07635465505126b2a8fa2c9648e6b51e875df7c130ccd27da21cbf909a2b72

Aliases

arxiv: 1808.10472 · arxiv_version: 1808.10472v1 · doi: 10.48550/arxiv.1808.10472 · pith_short_12: 3MDWGVDFKBIS · pith_short_16: 3MDWGVDFKBISNMVI · pith_short_8: 3MDWGVDF

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/3MDWGVDFKBISNMVI7IWJMSHGWU \
  | 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: db07635465505126b2a8fa2c9648e6b51e875df7c130ccd27da21cbf909a2b72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88b44567683cf33470860f30f3348ee48ab0d843e1ec5f33110338c744646a98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-30T18:11:19Z",
    "title_canon_sha256": "1cefa8eb3d0625ebbaede3f5a927b26ebb69c917cb130efb3fbe1cbd53c51583"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10472",
    "kind": "arxiv",
    "version": 1
  }
}