Pith Number

pith:RQQTVXIZ

pith:2021:RQQTVXIZKQFO2NGDKYUWWNB7V7

not attested not anchored not stored refs pending

Galaxy And Mass Assembly (GAMA): The environmental impact on SFR and metallicity in galaxy groups

A. M. Hopkins, A.M. Perez-Garcia, A. R. Lopez-Sanchez, B. W. Holwerda, D. Sotillo-Ramos, J. Liske, K. A. Pimbblet, M. A. Lara-Lopez, M. S. Owers, R. Perez-Martinez

arxiv:2109.12078 v1 · 2021-09-24 · 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{RQQTVXIZKQFO2NGDKYUWWNB7V7}

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	2026-07-05T03:22:01.264133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c213add19540aed34c356296b343fafcb8b0a187b6fda25610f52d6f02811d4

Aliases

arxiv: 2109.12078 · arxiv_version: 2109.12078v1 · doi: 10.48550/arxiv.2109.12078 · pith_short_12: RQQTVXIZKQFO · pith_short_16: RQQTVXIZKQFO2NGD · pith_short_8: RQQTVXIZ

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/RQQTVXIZKQFO2NGDKYUWWNB7V7 \
  | 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: 8c213add19540aed34c356296b343fafcb8b0a187b6fda25610f52d6f02811d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3afafde1ff69eda8c81a3fbf4f33c2395959c292b44b4c0fb2de3abb19314b90",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-09-24T17:02:33Z",
    "title_canon_sha256": "1a80c657d908ab23a876b1a8b6393b08b1936ff13de3bbf55c32b2cb3295de19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.12078",
    "kind": "arxiv",
    "version": 1
  }
}