Pith Number

pith:POIMHJBV

pith:2025:POIMHJBVZFLL4PBLLFTHJETEO3

not attested not anchored not stored refs pending

Galileo Project Observatory Class System Architecture

Abraham Loeb, Alex Delacroix, Andrew Mead, Andriy Fedorenko, Eric Masson, Ezra Kelderman, Foteini Vervelidou, Laura Domine, Matthew Szenher, Michael W Prior, Phillip Bridgham, Robert Lundstrom, Sarah Little, Wesley Andres Watters

arxiv:2506.00125 v1 · 2025-05-30 · 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{POIMHJBVZFLL4PBLLFTHJETEO3}

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	2026-07-05T11:13:29.374575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b90c3a435c956be3c2b596674926476f7c255e912171650f4d21dd3977825b0

Aliases

arxiv: 2506.00125 · arxiv_version: 2506.00125v1 · doi: 10.48550/arxiv.2506.00125 · pith_short_12: POIMHJBVZFLL · pith_short_16: POIMHJBVZFLL4PBL · pith_short_8: POIMHJBV

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/POIMHJBVZFLL4PBLLFTHJETEO3 \
  | 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: 7b90c3a435c956be3c2b596674926476f7c255e912171650f4d21dd3977825b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b2fbb86837b3cb8f5d69442fe9a4de014a4b9298adc604433d4277f8192be88",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-05-30T18:01:54Z",
    "title_canon_sha256": "9e2bf7ba1043758cea2dbaf9c9002637e1921df1d3d19050f65a926730145616"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.00125",
    "kind": "arxiv",
    "version": 1
  }
}