Pith Number

pith:2IL3JALD

pith:2021:2IL3JALDB4ZU3NCWVB5HDEKWHW

not attested not anchored not stored refs pending

Fast, Slow, Early, Late: Quenching Massive Galaxies at z~0.8

Alis J. Deason, Benjamin D. Johnson, Charlie Conroy, Constance M. Rockosi, David C. Koo, Emily C. Cunningham, Guillermo Barro, Hassen M. Yesuf, Joel Leja, Joshua S. Speagle, Kevin McKinnon, Lars Hernquist, Pieter van Dokkum, Puragra Guhathakurta, Sandro Tacchella, S. M. Faber, Yicheng Guo

arxiv:2102.12494 v2 · 2021-02-24 · 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{2IL3JALDB4ZU3NCWVB5HDEKWHW}

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	2026-07-05T04:00:50.066366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d217b481630f334db456a87a7191563da6f98309f5eaacf0cd597dd6763e7ec4

Aliases

arxiv: 2102.12494 · arxiv_version: 2102.12494v2 · doi: 10.48550/arxiv.2102.12494 · pith_short_12: 2IL3JALDB4ZU · pith_short_16: 2IL3JALDB4ZU3NCW · pith_short_8: 2IL3JALD

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/2IL3JALDB4ZU3NCWVB5HDEKWHW \
  | 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: d217b481630f334db456a87a7191563da6f98309f5eaacf0cd597dd6763e7ec4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d69374833380a24baabb1e0f4075c16fae89415415eb18fee56374a23ddfad5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-02-24T19:00:03Z",
    "title_canon_sha256": "afd68b71875425df5f3393b879e84ae87b811882cbf140cd4be4c435a067cf2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.12494",
    "kind": "arxiv",
    "version": 2
  }
}