Pith Number

pith:A6XGU2E2

pith:2021:A6XGU2E22UK6RBLQHH6EB7P442

not attested not anchored not stored refs pending

Trinity I: Self-Consistently Modeling the Dark Matter Halo-Galaxy-Supermassive Black Hole Connection from $z=0-10$

Haowen Zhang, James Aird, Jinyi Yang, Joseph Silk, Marta Volonteri, Peter Behroozi, Philip F. Hopkins, Xiaohui Fan

arxiv:2105.10474 v2 · 2021-05-21 · 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{A6XGU2E22UK6RBLQHH6EB7P442}

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	2026-07-05T05:09:48.063653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07ae6a689ad515e8857039fc40fdfce690c8f613502b4673e69ba0e6a1f6ca1b

Aliases

arxiv: 2105.10474 · arxiv_version: 2105.10474v2 · doi: 10.48550/arxiv.2105.10474 · pith_short_12: A6XGU2E22UK6 · pith_short_16: A6XGU2E22UK6RBLQ · pith_short_8: A6XGU2E2

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/A6XGU2E22UK6RBLQHH6EB7P442 \
  | 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: 07ae6a689ad515e8857039fc40fdfce690c8f613502b4673e69ba0e6a1f6ca1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a3faf706bb9aabbb01e59575ff18de0db87cef682df7f82d1234e57089fce7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-05-21T17:26:51Z",
    "title_canon_sha256": "9587b01003ffc16089370687381a7f70743179dedad84d8941d52de452ab88cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.10474",
    "kind": "arxiv",
    "version": 2
  }
}