Pith Number

pith:UYRHM5C6

pith:2020:UYRHM5C6BQEI7ILXWMVEQ2VKEL

not attested not anchored not stored refs pending

A giant central red disk galaxy at redshift $z=0.76$: challenge to theories of galaxy formation

Chengze Liu, Kun Xu, Marcin Sawicki, Stephen Gwyn, Yipeng Jing

arxiv:2012.08798 v4 · 2020-12-16 · 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{UYRHM5C6BQEI7ILXWMVEQ2VKEL}

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	2026-07-05T02:14:13.083947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a62276745e0c088fa177b32a486aaa22fdc4db1df5f64845596230415763b414

Aliases

arxiv: 2012.08798 · arxiv_version: 2012.08798v4 · doi: 10.48550/arxiv.2012.08798 · pith_short_12: UYRHM5C6BQEI · pith_short_16: UYRHM5C6BQEI7ILX · pith_short_8: UYRHM5C6

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/UYRHM5C6BQEI7ILXWMVEQ2VKEL \
  | 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: a62276745e0c088fa177b32a486aaa22fdc4db1df5f64845596230415763b414

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48cb926d87792d67f610d2ee0b179352ad1d9ef37dbcbb6b4b5e9b9cb3283a3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-12-16T08:49:31Z",
    "title_canon_sha256": "fd4ee0bd5a7f98c58b4cfa2fdaeff80620658bcae354deb05e8bd5f9217d2ad3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.08798",
    "kind": "arxiv",
    "version": 4
  }
}