Pith Number

pith:W4326JA6

pith:2010:W4326JA6MDYQJ7WKF2VRNJNV5O

not attested not anchored not stored refs pending

All-Sky spectrally matched UBVRI-ZY and u'g'r'i'z' magnitudes for stars in the Tycho2 catalog

Andrew Pickles, \'Eric Depagne

arxiv:1011.2020 v1 · 2010-11-09 · astro-ph.IM · 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{W4326JA6MDYQJ7WKF2VRNJNV5O}

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	2026-05-18T02:04:50.061129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b737af241e60f104feca2eab16a5b5ebb9eb4b259e2ced561aabceb4302c162a

Aliases

arxiv: 1011.2020 · arxiv_version: 1011.2020v1 · doi: 10.48550/arxiv.1011.2020 · pith_short_12: W4326JA6MDYQ · pith_short_16: W4326JA6MDYQJ7WK · pith_short_8: W4326JA6

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/W4326JA6MDYQJ7WKF2VRNJNV5O \
  | 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: b737af241e60f104feca2eab16a5b5ebb9eb4b259e2ced561aabceb4302c162a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "412248b7e69bf650853ce018ae9308577272b1156785d28442e55e09fe463b4b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-11-09T10:05:00Z",
    "title_canon_sha256": "7bce85d0033c12852b4f0682c39f4d6caf0963b12a738f5cd36241724830746d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.2020",
    "kind": "arxiv",
    "version": 1
  }
}