Pith Number

pith:4R6OEZSX

pith:2021:4R6OEZSXJKQF72MFNJBOM3AJFW

not attested not anchored not stored refs pending

Quenched, bulge-dominated, but dynamically cold galaxies in IllustrisTNG and their real-world counterparts

Dandan Xu, Lars Hernquist, Mark Vogelsberger, Sen Wang, Shengdong Lu, Shude Mao, Xiaoyang Xia, Yunchong Wang

arxiv:2107.07147 v2 · 2021-07-15 · 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{4R6OEZSXJKQF72MFNJBOM3AJFW}

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	2026-07-05T03:32:08.899910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e47ce266574aa05fe9856a42e66c092d9cbb009d8a84f9fa296e89323bb5051b

Aliases

arxiv: 2107.07147 · arxiv_version: 2107.07147v2 · doi: 10.48550/arxiv.2107.07147 · pith_short_12: 4R6OEZSXJKQF · pith_short_16: 4R6OEZSXJKQF72MF · pith_short_8: 4R6OEZSX

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/4R6OEZSXJKQF72MFNJBOM3AJFW \
  | 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: e47ce266574aa05fe9856a42e66c092d9cbb009d8a84f9fa296e89323bb5051b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3ca58e8373ebc9a065e692109a11b58431ce59036f9e33df6b6f46f5f360abd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-07-15T06:22:39Z",
    "title_canon_sha256": "11cf8259a90631ec4954c15e2c4b2bb3cab73c6ccbc7c584499f60dbe35a5d6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.07147",
    "kind": "arxiv",
    "version": 2
  }
}