Pith Number

pith:M7JL3X2C

pith:2019:M7JL3X2CAUQ5IYUVD4CGQOFZJO

not attested not anchored not stored refs pending

On the Gas Content, Star Formation Efficiency, and Environmental Quenching of Massive Galaxies in Proto-Clusters at z~2.0-2.5

C. M. Casey, E. Treister, H. Dannerbauer, H. Fu, J. B. Champagne, Jorge A. Zavala, J. Spilker, K. V. Tran, L. Spitler, P. Drew, S. Toft, Y. Chiang

arxiv:1910.13457 v1 · 2019-10-29 · 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{M7JL3X2CAUQ5IYUVD4CGQOFZJO}

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	2026-07-05T00:30:32.659824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67d2bddf420521d462951f046838b94ba8d1cf096a78ec6fea68f2cb32c94fe2

Aliases

arxiv: 1910.13457 · arxiv_version: 1910.13457v1 · doi: 10.48550/arxiv.1910.13457 · pith_short_12: M7JL3X2CAUQ5 · pith_short_16: M7JL3X2CAUQ5IYUV · pith_short_8: M7JL3X2C

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/M7JL3X2CAUQ5IYUVD4CGQOFZJO \
  | 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: 67d2bddf420521d462951f046838b94ba8d1cf096a78ec6fea68f2cb32c94fe2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46333c58ccf9a16af679cfcccf67e661715debf5060e67de728f25252383a141",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-10-29T18:00:04Z",
    "title_canon_sha256": "12860a6dc2b22e088b4b41bf2356b8e60399acbcdc41cf66a142c65a813dac2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13457",
    "kind": "arxiv",
    "version": 1
  }
}