Pith Number

pith:YOVZUKTX

pith:2009:YOVZUKTXHMOHFIASZ4L6OR6VKD

not attested not anchored not stored refs pending

A New Distance to M33 Using Blue Supergiants and the FGLR Method

(2) Dr. Remeis-Sternwarte Bamberg), Bradley A. Jacobs (1), Fabio Bresolin (1), Miguel A. Urbaneja (1), Norbert Przybilla (2) ((1) Institute for Astronomy, Rolf-Peter Kudritzki (1), University of Hawaii, Vivian U (1)

arxiv:0909.0032 v1 · 2009-08-31 · astro-ph.CO · 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{YOVZUKTXHMOHFIASZ4L6OR6VKD}

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	2026-05-18T02:34:36.994005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3ab9a2a773b1c72a012cf17e747d550dc22a0c7387035989d52deb8bbe4c701

Aliases

arxiv: 0909.0032 · arxiv_version: 0909.0032v1 · doi: 10.48550/arxiv.0909.0032 · pith_short_12: YOVZUKTXHMOH · pith_short_16: YOVZUKTXHMOHFIAS · pith_short_8: YOVZUKTX

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/YOVZUKTXHMOHFIASZ4L6OR6VKD \
  | 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: c3ab9a2a773b1c72a012cf17e747d550dc22a0c7387035989d52deb8bbe4c701

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6884dee47bde3fd62c8fa86e2de0208aef7c0a97b3eb09b181b806ccb57af513",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-31T20:24:57Z",
    "title_canon_sha256": "b67348ed2bcd8ade2a38f85932a713c684d8012470f40c849d7ea06fc1c06587"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0032",
    "kind": "arxiv",
    "version": 1
  }
}