Pith Number

pith:ZBN2SAJT

pith:2025:ZBN2SAJTYAVGPXS6QFVAFWI7OC

not attested not anchored not stored refs pending

Evidence for Multiple Types of Post-Starburst Galaxies

Aidan Sedgewick, Charles L. Steinhardt, Conor McPartland, Emma W. Nielsen, Mathieux Harper

arxiv:2503.15604 v2 · 2025-03-19 · 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{ZBN2SAJTYAVGPXS6QFVAFWI7OC}

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	2026-07-05T11:53:45.019779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c85ba90133c02a67de5e816a02d91f70ba9532ab64af9bce7f940d08fd776bea

Aliases

arxiv: 2503.15604 · arxiv_version: 2503.15604v2 · doi: 10.48550/arxiv.2503.15604 · pith_short_12: ZBN2SAJTYAVG · pith_short_16: ZBN2SAJTYAVGPXS6 · pith_short_8: ZBN2SAJT

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/ZBN2SAJTYAVGPXS6QFVAFWI7OC \
  | 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: c85ba90133c02a67de5e816a02d91f70ba9532ab64af9bce7f940d08fd776bea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47d2c1bbf2b0419e147d6c3ff24e33e70f572bdf3da31a533d2ec8de3492c3b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-03-19T18:00:02Z",
    "title_canon_sha256": "644421763179faa9ef031322cb836b7394b8a4eeb75aae57ce9c4994b7e79a5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.15604",
    "kind": "arxiv",
    "version": 2
  }
}