Pith Number

pith:OTRR6QSZ

pith:2019:OTRR6QSZRJQNNJYJHUM75OZDE4

not attested not anchored not stored refs pending

Astro2020 Science White Paper: Assembly of the Most Massive Clusters at Cosmic Noon

Anton Koekemoer (STScI), Brian Lemaux (UC Davis), Caitlin Casey (UT Austin), Gregory Rudnick (Univ. of Kansas), Jeyhan Kartaltepe (Rochester Institute of Technology), Marc Postman (STScI), Mark Dickinson (NOAO), Nimish Hathi (STScI)

arxiv:1903.05026 v1 · 2019-03-12 · 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{OTRR6QSZRJQNNJYJHUM75OZDE4}

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	2026-05-17T23:51:26.497489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74e31f42598a60d6a7093d19febb2327373ba1d664b3cf19e557dd73a098ef90

Aliases

arxiv: 1903.05026 · arxiv_version: 1903.05026v1 · doi: 10.48550/arxiv.1903.05026 · pith_short_12: OTRR6QSZRJQN · pith_short_16: OTRR6QSZRJQNNJYJ · pith_short_8: OTRR6QSZ

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/OTRR6QSZRJQNNJYJHUM75OZDE4 \
  | 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: 74e31f42598a60d6a7093d19febb2327373ba1d664b3cf19e557dd73a098ef90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5fa71a673010fa0f2a1854d7d96deda13df3508ca375ec575cf75f43de9b3a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-12T16:28:51Z",
    "title_canon_sha256": "7ea78dc6c8bea34f20d432f23608b25ef3eb5ac21fcec35cd9f4de3fcf7c08e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05026",
    "kind": "arxiv",
    "version": 1
  }
}