Pith Number

pith:TYKYMLVZ

pith:2016:TYKYMLVZ5V6KTBKYUPUFBHIPOR

not attested not anchored not stored refs pending

The origin of most massive black holes at high-z: BLUETIDES and the next quasar frontier

Dacen Waters (CMU), Rupert A.C. Croft (CMU), Stephen Wilkins (Sussex), Tiziana Di Matteo (CMU), Yu Feng (Berkeley)

arxiv:1606.08871 v1 · 2016-06-28 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TYKYMLVZ5V6KTBKYUPUFBHIPOR}

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	2026-05-18T00:47:50.566781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e15862eb9ed7ca98558a3e8509d0f744bed9ebf98716acd35e096295426c310

Aliases

arxiv: 1606.08871 · arxiv_version: 1606.08871v1 · doi: 10.48550/arxiv.1606.08871 · pith_short_12: TYKYMLVZ5V6K · pith_short_16: TYKYMLVZ5V6KTBKY · pith_short_8: TYKYMLVZ

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/TYKYMLVZ5V6KTBKYUPUFBHIPOR \
  | 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: 9e15862eb9ed7ca98558a3e8509d0f744bed9ebf98716acd35e096295426c310

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4adb3cad7ed077b041891cc06dcf69aaa49d750515d115a684b1c5c8b3c98cf",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-06-28T20:20:33Z",
    "title_canon_sha256": "f3f155cdf74f381ea533707d555134f10fd7cdee979e31691056dd4517a52c81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.08871",
    "kind": "arxiv",
    "version": 1
  }
}