Pith Number

pith:IVAGTKRG

pith:2017:IVAGTKRG2SGQWIH4EUHYUNU5D5

not attested not anchored not stored refs pending

Ten Billion Years of Brightest Cluster Galaxy Alignments

Malcolm N. Bremer, Michael J. West, Roberto De Propris, Steven Phillipps

arxiv:1706.03798 v1 · 2017-06-12 · 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{IVAGTKRG2SGQWIH4EUHYUNU5D5}

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	2026-05-18T00:42:28.332862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

454069aa26d48d0b20fc250f8a369d1f74c046fa9c4a077d7a4d64115ed029e9

Aliases

arxiv: 1706.03798 · arxiv_version: 1706.03798v1 · doi: 10.48550/arxiv.1706.03798 · pith_short_12: IVAGTKRG2SGQ · pith_short_16: IVAGTKRG2SGQWIH4 · pith_short_8: IVAGTKRG

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/IVAGTKRG2SGQWIH4EUHYUNU5D5 \
  | 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: 454069aa26d48d0b20fc250f8a369d1f74c046fa9c4a077d7a4d64115ed029e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a1b84f8506aba01d80d5b57feb1daa9d485d06df0cbf447232a55169934c88f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-06-12T18:21:43Z",
    "title_canon_sha256": "ab8308454fd8c85103ff4908fff69b31f685f562264dfea64400eba258660c39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03798",
    "kind": "arxiv",
    "version": 1
  }
}