Pith Number

pith:XRKRVNYB

pith:2026:XRKRVNYBGTR5SQKVPE7T2VQBAX

not attested not anchored not stored refs pending

Single object observations: Large telescopes vs. multiple small telescopes

Eran Oded Ofek, Sagi Ben-Ami

arxiv:2606.26635 v1 · 2026-06-25 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XRKRVNYBGTR5SQKVPE7T2VQBAX}

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	2026-06-26T01:15:36.753565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc551ab70134e3d94155793f3d560105fc59fdd93bc3d40c8273385685e60405

Aliases

arxiv: 2606.26635 · arxiv_version: 2606.26635v1 · doi: 10.48550/arxiv.2606.26635 · pith_short_12: XRKRVNYBGTR5 · pith_short_16: XRKRVNYBGTR5SQKV · pith_short_8: XRKRVNYB

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/XRKRVNYBGTR5SQKVPE7T2VQBAX \
  | 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: bc551ab70134e3d94155793f3d560105fc59fdd93bc3d40c8273385685e60405

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2c14d9a9003613087a720abf4d5c72dc0e2ff31da29228a01793c33a50be6f0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-06-25T05:59:33Z",
    "title_canon_sha256": "ea61611a556cc477134ef5b5ac6a57eb508b0fb4e7c15a45b716b5e819d2a750"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26635",
    "kind": "arxiv",
    "version": 1
  }
}