Pith Number

pith:3SGHYG3T

pith:2019:3SGHYG3TSIF4XQIUTBEMTD4KZJ

not attested not anchored not stored refs pending

An evolving and mass dependent ${\rm \sigma_{\text{sSFR}}}$-${\rm M_{\star}}$ relation for galaxies

Ana Tr\v{c}ka, Antonios Katsianis, Claudia del P. Lagos, Guillermo Blanc, James W. Trayford, Joop Schaye, Luke J. M. Davies, Maarten Baes, Marko Stalevski, Peter Camps, Tom Theuns, Valentino Gonzalez, Xianzhong Zheng

arxiv:1905.02023 v1 · 2019-05-06 · 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{3SGHYG3TSIF4XQIUTBEMTD4KZJ}

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	2026-05-17T23:41:08.809471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc8c7c1b73920bcbc1149848c98f8aca706c5feb5a1f48cec610705b5bc29acd

Aliases

arxiv: 1905.02023 · arxiv_version: 1905.02023v1 · doi: 10.48550/arxiv.1905.02023 · pith_short_12: 3SGHYG3TSIF4 · pith_short_16: 3SGHYG3TSIF4XQIU · pith_short_8: 3SGHYG3T

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/3SGHYG3TSIF4XQIUTBEMTD4KZJ \
  | 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: dc8c7c1b73920bcbc1149848c98f8aca706c5feb5a1f48cec610705b5bc29acd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b514fe9fe7ca05fea531d5d30a730d2dde2af8db252f76bd27b85a2dc0f22f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-06T13:14:39Z",
    "title_canon_sha256": "ab2b069453ba4031a21549c31459d5993a68e2acddb666f83e96164a2c2ce239"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02023",
    "kind": "arxiv",
    "version": 1
  }
}