Pith Number

pith:HALIOTG4

pith:2017:HALIOTG4F6VPPT7BX7YKLLHJCS

not attested not anchored not stored refs pending

Distant clusters of galaxies in the 2XMM/SDSS footprint: follow-up observations with the LBT

Ali Takey, Andreas Rabitz, Axel Schwope, Georg Lamer

arxiv:1709.02436 v1 · 2017-09-07 · astro-ph.CO · 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{HALIOTG4F6VPPT7BX7YKLLHJCS}

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	2026-05-18T00:35:45.811741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3816874cdc2faaf7cfe1bff0a5ace914b38bbd49b3c12cca7820a35199c6098b

Aliases

arxiv: 1709.02436 · arxiv_version: 1709.02436v1 · doi: 10.48550/arxiv.1709.02436 · pith_short_12: HALIOTG4F6VP · pith_short_16: HALIOTG4F6VPPT7B · pith_short_8: HALIOTG4

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/HALIOTG4F6VPPT7BX7YKLLHJCS \
  | 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: 3816874cdc2faaf7cfe1bff0a5ace914b38bbd49b3c12cca7820a35199c6098b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51f7279f3ed3d6afb0b7bdf59a6a87bcd4a6353083c13eef8de5d9c916c0c4e8",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-09-07T20:16:15Z",
    "title_canon_sha256": "e4b5f2841f86eb64d8ca0ec9b30efb3f88e4989434d1cf9ecd09859697c085cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02436",
    "kind": "arxiv",
    "version": 1
  }
}