Pith Number

pith:KHELA5MS

pith:2016:KHELA5MSIGC5L62TIIZLIRRUY6

not attested not anchored not stored refs pending

Type III Societies (Apparently) Do Not Exist

Brian C. Lacki

arxiv:1604.07844 v1 · 2016-04-26 · astro-ph.IM · astro-ph.GA · physics.pop-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KHELA5MSIGC5L62TIIZLIRRUY6}

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

3 papers in Pith

WISE/CatWISE Constraints on Dysonian Waste-Heat Technosignatures in Nearby Galaxies

Shadows of Giants: Constraints on Stupendously Large Black Holes from Negative Sources against the Cosmic Microwave Background

The Dyson Minds 2025 Workshop: SETI around Black Holes

Receipt and verification

First computed	2026-05-18T01:16:08.850999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51c8b075924185d5fb534232b44634c7b684f6190a22900610e84588f2407e0c

Aliases

arxiv: 1604.07844 · arxiv_version: 1604.07844v1 · doi: 10.48550/arxiv.1604.07844 · pith_short_12: KHELA5MSIGC5 · pith_short_16: KHELA5MSIGC5L62T · pith_short_8: KHELA5MS

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/KHELA5MSIGC5L62TIIZLIRRUY6 \
  | 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: 51c8b075924185d5fb534232b44634c7b684f6190a22900610e84588f2407e0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25fa57c7860eabdde0c6c1c24b22fb14a281cdabaf3d1806640a499472d04378",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-04-26T20:27:48Z",
    "title_canon_sha256": "2f4ccdf445bae09a237c2e25134b436b5fc7f5250a2b2fc7cb2b30ba6ba800c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07844",
    "kind": "arxiv",
    "version": 1
  }
}