Pith Number

pith:OPALEMXL

pith:2017:OPALEMXL7V3AKCBURVDMFAFZVS

not attested not anchored not stored refs pending

Decryption of Messages from Extraterrestrial Intelligence Using the Power of Social Media - The SETI Decrypt Challenge

Germany), G\"ottingen, Ren\'e Heller (Max Planck Institute for Solar System Research

arxiv:1706.00653 v3 · 2017-06-02 · physics.pop-ph · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OPALEMXL7V3AKCBURVDMFAFZVS}

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	2026-05-18T00:07:43.840229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73c0b232ebfd760508348d46c280b9ac92a1efd966ac8228034005e3446aed39

Aliases

arxiv: 1706.00653 · arxiv_version: 1706.00653v3 · doi: 10.48550/arxiv.1706.00653 · pith_short_12: OPALEMXL7V3A · pith_short_16: OPALEMXL7V3AKCBU · pith_short_8: OPALEMXL

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/OPALEMXL7V3AKCBURVDMFAFZVS \
  | 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: 73c0b232ebfd760508348d46c280b9ac92a1efd966ac8228034005e3446aed39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d76b84e4dc6cfbe72ccc534b5ddbb5a2af313e0d5b1db17c972bd435818bede3",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2017-06-02T12:19:01Z",
    "title_canon_sha256": "56ab64fa5d49c6482b7b4102e3b4aed2f9cfd3da8c51d02ef2cd7c05fd735348"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00653",
    "kind": "arxiv",
    "version": 3
  }
}