Pith Number

pith:FV47QKZQ

pith:2024:FV47QKZQ6ACA2YUJ6XZLYVCW3I

not attested not anchored not stored refs pending

Background Contamination of the Project Hephaistos Dyson Spheres Candidates

Andrew P.V. Siemion, Michael A. Garrett, Tongtian Ren

arxiv:2405.14921 v1 · 2024-05-23 · astro-ph.SR · astro-ph.EP · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FV47QKZQ6ACA2YUJ6XZLYVCW3I}

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.

Cited by

1 paper in Pith

Project Hephaistos -- IV. James Webb Space Telescope Observations of Two Dyson Sphere Candidates

Receipt and verification

First computed	2026-07-05T08:22:42.794804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d79f82b30f0040d6289f5f2bc5456da104948cfa98a0947e92bad443153d9f3

Aliases

arxiv: 2405.14921 · arxiv_version: 2405.14921v1 · doi: 10.48550/arxiv.2405.14921 · pith_short_12: FV47QKZQ6ACA · pith_short_16: FV47QKZQ6ACA2YUJ · pith_short_8: FV47QKZQ

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/FV47QKZQ6ACA2YUJ6XZLYVCW3I \
  | 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: 2d79f82b30f0040d6289f5f2bc5456da104948cfa98a0947e92bad443153d9f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7f94b6a5c509be4e03d974a96338a18e37f9754ca3cfd213179ef5360f9aae7",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-05-23T17:41:09Z",
    "title_canon_sha256": "9956f94b696a3aa96e82bfc3b9bf2bbfc6eb650ce6f41e82b3c396fefef72507"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.14921",
    "kind": "arxiv",
    "version": 1
  }
}