Pith Number

pith:VAW6OFKJ

pith:2010:VAW6OFKJDIRDOZPACSGCOX5EPU

not attested not anchored not stored refs pending

A Failure of Serendipity: the Square Kilometre Array will struggle to eavesdrop on Human-like ETI

D.H. Forgan, R.C. Nichol

arxiv:1007.0850 v1 · 2010-07-06 · 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{VAW6OFKJDIRDOZPACSGCOX5EPU}

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	2026-05-18T02:06:32.115343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a82de715491a223765e0148c275fa47d1701a7c110222e08597537ca30bbf9e0

Aliases

arxiv: 1007.0850 · arxiv_version: 1007.0850v1 · doi: 10.48550/arxiv.1007.0850 · pith_short_12: VAW6OFKJDIRD · pith_short_16: VAW6OFKJDIRDOZPA · pith_short_8: VAW6OFKJ

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/VAW6OFKJDIRDOZPACSGCOX5EPU \
  | 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: a82de715491a223765e0148c275fa47d1701a7c110222e08597537ca30bbf9e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a2d360a7ec6887abcc2545955e0a3c5f6f4cffe1d524c4520f929f9a99fa2be",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-07-06T10:09:02Z",
    "title_canon_sha256": "a79b2d0c253de6ae2d6ffaf57625f5eeb068d58c8f7515e2c5af751e6842a9eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.0850",
    "kind": "arxiv",
    "version": 1
  }
}