Pith Number

pith:RYSIJHRL

pith:2018:RYSIJHRL3UL2TGBF2VEYR625RF

not attested not anchored not stored refs pending

Stellar Mass and 3.4 $\mu$m M/L Ratio Evolution of Brightest Cluster Galaxies in COSMOS since z ~ 1.0

Christopher P. O'Dea, Jeyhan S. Kartaltepe, John Moustakas, Kevin C. Cooke, Kevin Fogarty, Marc Postman

arxiv:1804.02404 v2 · 2018-04-06 · 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{RYSIJHRL3UL2TGBF2VEYR625RF}

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	2026-05-18T00:16:21.043577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e24849e2bdd17a99825d54988fb5d8956967f5e50bb64d4e95c6573d5fa527a

Aliases

arxiv: 1804.02404 · arxiv_version: 1804.02404v2 · doi: 10.48550/arxiv.1804.02404 · pith_short_12: RYSIJHRL3UL2 · pith_short_16: RYSIJHRL3UL2TGBF · pith_short_8: RYSIJHRL

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/RYSIJHRL3UL2TGBF2VEYR625RF \
  | 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: 8e24849e2bdd17a99825d54988fb5d8956967f5e50bb64d4e95c6573d5fa527a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0ad97745e76a2078f117b524eae604f01b9e18249b2620350ee4ff2e6483652",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-06T18:00:07Z",
    "title_canon_sha256": "a6757c7ee40752a29832a10490492da0c39a7146604938dd517d1dca4fc0ab37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02404",
    "kind": "arxiv",
    "version": 2
  }
}