Pith Number

pith:E6MENFMG

pith:2017:E6MENFMGYXG42P7QCOSVYUTL2T

not attested not anchored not stored refs pending

Extra-galactic distances with massive stars: the role of stellar variability in the case of M33

Chien-Hsiu Lee (Subaru Telescope, NAOJ)

arxiv:1707.03594 v1 · 2017-07-12 · 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{E6MENFMGYXG42P7QCOSVYUTL2T}

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	2026-05-18T00:38:25.307421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2798469586c5cdcd3ff013a55c526bd4dd216275ec3b0905c225ffd08080d61a

Aliases

arxiv: 1707.03594 · arxiv_version: 1707.03594v1 · doi: 10.48550/arxiv.1707.03594 · pith_short_12: E6MENFMGYXG4 · pith_short_16: E6MENFMGYXG42P7Q · pith_short_8: E6MENFMG

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/E6MENFMGYXG42P7QCOSVYUTL2T \
  | 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: 2798469586c5cdcd3ff013a55c526bd4dd216275ec3b0905c225ffd08080d61a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ba219a10ec5417723b5f6b709557e0a464217ecc1afcdae9fe42ce3f99500b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-07-12T08:24:46Z",
    "title_canon_sha256": "f4b4bf03ffeec93c8db2a3cfc6ebe13f47c56cf44124bd9d9af2725c85449997"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03594",
    "kind": "arxiv",
    "version": 1
  }
}