Pith Number

pith:MYYGG6BI

pith:2006:MYYGG6BIUJJNYGXPSBFYGPJSG3

not attested not anchored not stored refs pending

Bringing VY Canis Majoris Down to Size: An Improved Determination of Its Effective Tempeature

Bertrand Plez, Emily M. Levesque, Philip Massey

arxiv:astro-ph/0604253 v1 · 2006-04-11 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MYYGG6BIUJJNYGXPSBFYGPJSG3}

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	2026-07-04T15:25:46.070382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6630637828a252dc1aef904b833d3236d56b67644ad014319cbbbb6698788260

Aliases

arxiv: astro-ph/0604253 · arxiv_version: astro-ph/0604253v1 · doi: 10.48550/arxiv.astro-ph/0604253 · pith_short_12: MYYGG6BIUJJN · pith_short_16: MYYGG6BIUJJNYGXP · pith_short_8: MYYGG6BI

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/MYYGG6BIUJJNYGXPSBFYGPJSG3 \
  | 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: 6630637828a252dc1aef904b833d3236d56b67644ad014319cbbbb6698788260

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc65535075f48126a64cc9bef6faaf9e47041c11d9cd61d40c57d7c1c351356a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-04-11T21:06:10Z",
    "title_canon_sha256": "150868a1e140c21a4cba1f288cca6b09e9b4d5696dc1e67e0ecdbc178b8c9cce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0604253",
    "kind": "arxiv",
    "version": 1
  }
}