Pith Number

pith:BTGPCOTB

pith:2018:BTGPCOTBCWIQHWJUUN2ANXE5WY

not attested not anchored not stored refs pending

Why Post-Starburst Galaxies are Now Quiescent

(2) University of Arizona, (3) Nrao, (4) KASI, (5) University of Michigan, (6) University of Toledo, (7) University of Florida), Adam Smercina (5), Ann I. Zabludoff (2), Desika Narayanan (7) ((1) Carnegie Observatories, Ilsang Yoon (3), J.D. Smith (6), K. Decker French (1), Yancy Shirley (2), Yujin Yang (4)

arxiv:1805.12132 v1 · 2018-05-30 · 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{BTGPCOTBCWIQHWJUUN2ANXE5WY}

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	2026-05-18T00:10:54.159989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cccf13a61159103d934a37406dc9db63b5fe8ea670e83ff12238edff0b04a91

Aliases

arxiv: 1805.12132 · arxiv_version: 1805.12132v1 · doi: 10.48550/arxiv.1805.12132 · pith_short_12: BTGPCOTBCWIQ · pith_short_16: BTGPCOTBCWIQHWJU · pith_short_8: BTGPCOTB

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/BTGPCOTBCWIQHWJUUN2ANXE5WY \
  | 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: 0cccf13a61159103d934a37406dc9db63b5fe8ea670e83ff12238edff0b04a91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdb1f7f1aaf8dfc2f671fbbdf6512cb2b1cf819b35c0ed7c59bcefd78ce6b25e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-30T18:00:00Z",
    "title_canon_sha256": "493548137374ac8da9300e2116cdacfe7185a86910b70c5ed3cc947c0fdd81b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12132",
    "kind": "arxiv",
    "version": 1
  }
}