Pith Number

pith:ACJE2X4M

pith:2025:ACJE2X4MLXMS5HVC3LXME6Y2LK

not attested not anchored not stored refs pending

The Einstein Telescope Pathfinder and its Vacuum System

Adrian Schwenck, Andreas Haungs, Einstein Telescope Pathfinder (ET-PF) collaboration, Joachim Wolf, Ralph Engel, Thomas H\"ohn, Thomas Th\"ummler

arxiv:2508.16461 v1 · 2025-08-22 · astro-ph.IM · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ACJE2X4MLXMS5HVC3LXME6Y2LK}

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	2026-07-05T11:57:49.019425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00924d5f8c5dd92e9ea2daeec27b1a5a85ab933b05fa47f22113466b904a7641

Aliases

arxiv: 2508.16461 · arxiv_version: 2508.16461v1 · doi: 10.48550/arxiv.2508.16461 · pith_short_12: ACJE2X4MLXMS · pith_short_16: ACJE2X4MLXMS5HVC · pith_short_8: ACJE2X4M

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/ACJE2X4MLXMS5HVC3LXME6Y2LK \
  | 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: 00924d5f8c5dd92e9ea2daeec27b1a5a85ab933b05fa47f22113466b904a7641

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9aa8786c0480947f45a3043c5c596119f2b865067a407e7cc171bcde57aa7e6b",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-08-22T15:22:10Z",
    "title_canon_sha256": "cf5e5a770c4a75c17f19e87b6567a49a919b871abb9407e7475079f50144971c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.16461",
    "kind": "arxiv",
    "version": 1
  }
}