Pith Number

pith:ZODSBFSI

pith:2025:ZODSBFSIGI7A72DORZES5PYDX4

not attested not anchored not stored refs pending

Observable-based reformulation of time-delay interferometry

Jan Niklas Reinhardt, Kohei Yamamoto, Olaf Hartwig

arxiv:2502.11231 v2 · 2025-02-16 · astro-ph.IM · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZODSBFSIGI7A72DORZES5PYDX4}

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	2026-07-05T11:18:41.500797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb87209648323e0fe86e8e492ebf03bf086b485e9f6e3938c1439dd957b4ee28

Aliases

arxiv: 2502.11231 · arxiv_version: 2502.11231v2 · doi: 10.48550/arxiv.2502.11231 · pith_short_12: ZODSBFSIGI7A · pith_short_16: ZODSBFSIGI7A72DO · pith_short_8: ZODSBFSI

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/ZODSBFSIGI7A72DORZES5PYDX4 \
  | 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: cb87209648323e0fe86e8e492ebf03bf086b485e9f6e3938c1439dd957b4ee28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bd34935ed24e10c5206ea8b6856969fe396a1dc1a2e51953454f6cc8e3d339e",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-02-16T18:53:43Z",
    "title_canon_sha256": "b7235729c97b165fd1dfad1f50ec8027e9ed95a752380c7fda1511c24ffca2a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.11231",
    "kind": "arxiv",
    "version": 2
  }
}