Pith Number

pith:IUTU66KZ

pith:2019:IUTU66KZJK5NT2RFJRNAQDM5UB

not attested not anchored not stored refs pending

Searches for Technosignatures: The State of the Profession

Jason T. Wright

arxiv:1907.07832 v1 · 2019-07-18 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUTU66KZJK5NT2RFJRNAQDM5UB}

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	2026-05-17T23:40:16.069044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45274f79594abad9ea254c5a080d9da043d08f6790ba5daf1b8ce41ff3f32644

Aliases

arxiv: 1907.07832 · arxiv_version: 1907.07832v1 · doi: 10.48550/arxiv.1907.07832 · pith_short_12: IUTU66KZJK5N · pith_short_16: IUTU66KZJK5NT2RF · pith_short_8: IUTU66KZ

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/IUTU66KZJK5NT2RFJRNAQDM5UB \
  | 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: 45274f79594abad9ea254c5a080d9da043d08f6790ba5daf1b8ce41ff3f32644

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3334188c2616ad91276b638cc7f6da22c56c92740dff6c4dc75615339d418aff",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-07-18T01:29:32Z",
    "title_canon_sha256": "a92988578e4b7f0719e819c0a670556b43aff9ac1181a16e9911cf1cd32ae0be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07832",
    "kind": "arxiv",
    "version": 1
  }
}