Pith Number

pith:PMUS2KYB

pith:2021:PMUS2KYBT4BFZNUXE6TDBGCJBT

not attested not anchored not stored refs pending

From large-scale environment to CGM angular momentum to star forming activities -- I: star-forming galaxies

Dandan Xu, Lars Hernquist, Maosheng Xiang, Sen Wang, Shengdong Lu, Shude Mao, Volker Springel, Zheng Cai

arxiv:2109.06200 v5 · 2021-09-13 · 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{PMUS2KYBT4BFZNUXE6TDBGCJBT}

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	2026-07-05T03:39:02.456954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b292d2b019f025cb69727a63098490cec7a339d9035c90ac8243370da16eb3c

Aliases

arxiv: 2109.06200 · arxiv_version: 2109.06200v5 · doi: 10.48550/arxiv.2109.06200 · pith_short_12: PMUS2KYBT4BF · pith_short_16: PMUS2KYBT4BFZNUX · pith_short_8: PMUS2KYB

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/PMUS2KYBT4BFZNUXE6TDBGCJBT \
  | 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: 7b292d2b019f025cb69727a63098490cec7a339d9035c90ac8243370da16eb3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8923cc872f34d5fa23f7b7bfc254e8538080c67bf52124985e261937c0c866e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-09-13T18:00:03Z",
    "title_canon_sha256": "b8ee07f91c705cafba1306b614ec3940cb7d04a384e74e4d8e95701d2ff3266e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06200",
    "kind": "arxiv",
    "version": 5
  }
}