Pith Number

pith:CIDUPCFQ

pith:2023:CIDUPCFQH5YAKANASGYUDJA5GE

not attested not anchored not stored refs pending

Fully fluorinated non-carbon compounds NF3 and SF6 as ideal technosignature gases

Janusz J. Petkowski, Jingcheng Huang, Sai Ravela, Sara Seager, William Bains, Zhuchang Zhan

arxiv:2308.13667 v1 · 2023-08-25 · 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{CIDUPCFQH5YAKANASGYUDJA5GE}

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	2026-07-05T06:45:02.672164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12074788b03f700501a091b141a41d312763f8fef19ac38b625eb253d5160ef3

Aliases

arxiv: 2308.13667 · arxiv_version: 2308.13667v1 · doi: 10.48550/arxiv.2308.13667 · pith_short_12: CIDUPCFQH5YA · pith_short_16: CIDUPCFQH5YAKANA · pith_short_8: CIDUPCFQ

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/CIDUPCFQH5YAKANASGYUDJA5GE \
  | 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: 12074788b03f700501a091b141a41d312763f8fef19ac38b625eb253d5160ef3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "249b839baeb8308774a8d5d8c7ed2a208180782977b3aa07edb7f3738ae9ad80",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2023-08-25T20:48:15Z",
    "title_canon_sha256": "7e1e60f16aa0c48f7aa33630e0298592d3be7255538ab4c5824c4107110a4e3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.13667",
    "kind": "arxiv",
    "version": 1
  }
}