Pith Number

pith:UIXUQLLD

pith:2017:UIXUQLLDJZPX26QTCYLBBUXF3D

not attested not anchored not stored refs pending

The Impact of the Temporal Distribution of Communicating Civilizations on their Detectability

Amedeo Balbi

arxiv:1708.07433 v1 · 2017-08-24 · astro-ph.IM · astro-ph.EP · 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{UIXUQLLDJZPX26QTCYLBBUXF3D}

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	2026-05-18T00:24:51.896399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a22f482d634e5f7d7a13161610d2e5d8d311d3e370eef775fe293af308ec97f6

Aliases

arxiv: 1708.07433 · arxiv_version: 1708.07433v1 · doi: 10.48550/arxiv.1708.07433 · pith_short_12: UIXUQLLDJZPX · pith_short_16: UIXUQLLDJZPX26QT · pith_short_8: UIXUQLLD

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/UIXUQLLDJZPX26QTCYLBBUXF3D \
  | 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: a22f482d634e5f7d7a13161610d2e5d8d311d3e370eef775fe293af308ec97f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "330a3d7cf58d1f858102b1fa75eee260ac541596268f8a3b20864a028a7a1789",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-08-24T14:18:14Z",
    "title_canon_sha256": "4ce2e985b905105c31a4477ef3262eddeef320dafee77e6916d0b270513e5b49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07433",
    "kind": "arxiv",
    "version": 1
  }
}