Pith Number

pith:HW25QEZF

pith:2013:HW25QEZFTFUD5BTK5TCYWUMRI6

not attested not anchored not stored refs pending

Realistic polarizing Sagnac topology with DC readout for the Einstein Telescope

Andreas Freise, Charlotte Bond, Daniel Brown, Frank Brueckner, Ludovico Carbone, Mengyao Wang, Rebecca Palmer

arxiv:1303.5236 v2 · 2013-03-21 · physics.ins-det · astro-ph.IM · gr-qc · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HW25QEZFTFUD5BTK5TCYWUMRI6}

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	2026-05-18T02:55:04.263243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3db5d8132599683e866aecc58b519147b0466b25d8a60feea0fa618bfcfd1d8d

Aliases

arxiv: 1303.5236 · arxiv_version: 1303.5236v2 · doi: 10.48550/arxiv.1303.5236 · pith_short_12: HW25QEZFTFUD · pith_short_16: HW25QEZFTFUD5BTK · pith_short_8: HW25QEZF

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/HW25QEZFTFUD5BTK5TCYWUMRI6 \
  | 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: 3db5d8132599683e866aecc58b519147b0466b25d8a60feea0fa618bfcfd1d8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0310682b234810f0d649d9fdafdc93fa58e54998f11f114f08211adfd939c7a5",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "gr-qc",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2013-03-21T12:05:56Z",
    "title_canon_sha256": "2e55c0e544a1ab006e7f15fe1181ca700125db92fe2e9fd4da4a59c362bd3c24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5236",
    "kind": "arxiv",
    "version": 2
  }
}