Pith Number

pith:Q6RK33PP

pith:2019:Q6RK33PPHTGKXK6JR6SMRIGEKN

not attested not anchored not stored refs pending

Searching for Extraterrestrial Intelligence by Locating Potential ET Communication Networks in Space

Ross Davis

arxiv:1907.05259 v2 · 2019-07-10 · 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{Q6RK33PPHTGKXK6JR6SMRIGEKN}

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	2026-05-17T23:39:53.293284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87a2adedef3cccababc98fa4c8a0c453640d539f85ab8ee075be323d97af7994

Aliases

arxiv: 1907.05259 · arxiv_version: 1907.05259v2 · doi: 10.48550/arxiv.1907.05259 · pith_short_12: Q6RK33PPHTGK · pith_short_16: Q6RK33PPHTGKXK6J · pith_short_8: Q6RK33PP

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/Q6RK33PPHTGKXK6JR6SMRIGEKN \
  | 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: 87a2adedef3cccababc98fa4c8a0c453640d539f85ab8ee075be323d97af7994

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c45a9dabac88559be5b8f40e07211ec01b88f0f37bd0336ff38f15e49417b935",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2019-07-10T01:48:02Z",
    "title_canon_sha256": "10e46bd22389f1a55b41974e98360549f47f9091d9e7deb2ea4387ea684b7cc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05259",
    "kind": "arxiv",
    "version": 2
  }
}