Pith Number

pith:QSLYVJQV

pith:2022:QSLYVJQVCKKD45YUH7X2UE2VZO

not attested not anchored not stored refs pending

How the spectral energy distribution and galaxy morphology constrain each other, with application to morphological selection using galaxy colours

Emir Uzeirbegovic, Garreth Martin, Sugata Kaviraj

arxiv:2201.07255 v1 · 2022-01-18 · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QSLYVJQVCKKD45YUH7X2UE2VZO}

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	2026-07-05T03:49:44.843778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84978aa61512943e77143fefaa1355cbb6f87f30e6d64eeb7dfa113ec30c7f3b

Aliases

arxiv: 2201.07255 · arxiv_version: 2201.07255v1 · doi: 10.48550/arxiv.2201.07255 · pith_short_12: QSLYVJQVCKKD · pith_short_16: QSLYVJQVCKKD45YU · pith_short_8: QSLYVJQV

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/QSLYVJQVCKKD45YUH7X2UE2VZO \
  | 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: 84978aa61512943e77143fefaa1355cbb6f87f30e6d64eeb7dfa113ec30c7f3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f35e7e5f5454d25a875218e32c5c27652c2572b7a54191a0e977c2a69fcc0619",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-01-18T19:00:05Z",
    "title_canon_sha256": "cfca685ec9bedac1d5a4b7ec5dabdfb1eaddf29cfed02d1c41b9e8e7f5750910"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.07255",
    "kind": "arxiv",
    "version": 1
  }
}