Pith Number

pith:ZUTUXS3E

pith:2023:ZUTUXS3EKLQPJVOCB6XTZQJJNG

not attested not anchored not stored refs pending

Galaxy quenching timescales from a forensic reconstruction of their colour evolution

Aaron S. G. Robotham, Claudia del P. Lagos, Jessica E. Thorne, Luke J. M. Davies, Mat\'ias Bravo, Sabine Bellstedt

arxiv:2301.03702 v2 · 2023-01-09 · 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{ZUTUXS3EKLQPJVOCB6XTZQJJNG}

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	2026-07-05T06:06:09.856924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd274bcb6452e0f4d5c20faf3cc12969ae846006e8a85490a33df5ecfdee7abf

Aliases

arxiv: 2301.03702 · arxiv_version: 2301.03702v2 · doi: 10.48550/arxiv.2301.03702 · pith_short_12: ZUTUXS3EKLQP · pith_short_16: ZUTUXS3EKLQPJVOC · pith_short_8: ZUTUXS3E

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/ZUTUXS3EKLQPJVOCB6XTZQJJNG \
  | 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: cd274bcb6452e0f4d5c20faf3cc12969ae846006e8a85490a33df5ecfdee7abf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53ff5bb752b4c69c602fac4f1c47cafeeef831077ef2e4d2e165a5e66d4e4af3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-01-09T22:16:05Z",
    "title_canon_sha256": "d8596689bd8e9c252fe652dfdcb9bbb5203c89418bf288dcfbb68a65b9a7c52d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.03702",
    "kind": "arxiv",
    "version": 2
  }
}