Pith Number

pith:STU2VRTC

pith:2021:STU2VRTCIQICY3YPGJ72UFLHK5

not attested not anchored not stored refs pending

Galaxy And Mass Assembly: Group and field galaxy morphologies in the star-formation rate - stellar mass plane

A. M. Hopkins, B. W. Holwerda, J. Loveday, L. Wang, S. Brough, W. J. Pearson

arxiv:2101.03804 v1 · 2021-01-11 · 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{STU2VRTCIQICY3YPGJ72UFLHK5}

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	2026-07-05T02:17:48.413930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94e9aac66244102c6f0f327faa15675740ce9bbd8492817c02282807d4d0d597

Aliases

arxiv: 2101.03804 · arxiv_version: 2101.03804v1 · doi: 10.48550/arxiv.2101.03804 · pith_short_12: STU2VRTCIQIC · pith_short_16: STU2VRTCIQICY3YP · pith_short_8: STU2VRTC

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/STU2VRTCIQICY3YPGJ72UFLHK5 \
  | 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: 94e9aac66244102c6f0f327faa15675740ce9bbd8492817c02282807d4d0d597

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dfb7df93d484626951a15d9e2c67943ff13e0601933873d68fa322abae98061",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-01-11T10:36:04Z",
    "title_canon_sha256": "0a8c6799002c0f595572d0af3c33e18c1168635acd386ea36e012ed83687629d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.03804",
    "kind": "arxiv",
    "version": 1
  }
}