Pith Number

pith:PJVKXDRK

pith:2022:PJVKXDRKSETYZZTEXWPGSKPMR5

not attested not anchored not stored refs pending

The Case for Space Environmentalism

A. Boley, A. Lawrence, F. Di Vruno, J. Lowenthal, J. McDowell, M. Jah, M. Kramer, M. L. Rawls, M. McCaughrean, S. Garrington, S. Lawler

arxiv:2204.10025 v1 · 2022-04-21 · astro-ph.IM · physics.soc-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{PJVKXDRKSETYZZTEXWPGSKPMR5}

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	2026-07-05T04:16:46.229052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a6aab8e2a91278ce664bd9e6929ec8f57da20c86498d5f73ffde5b685e136f7

Aliases

arxiv: 2204.10025 · arxiv_version: 2204.10025v1 · doi: 10.48550/arxiv.2204.10025 · pith_short_12: PJVKXDRKSETY · pith_short_16: PJVKXDRKSETYZZTE · pith_short_8: PJVKXDRK

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/PJVKXDRKSETYZZTEXWPGSKPMR5 \
  | 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: 7a6aab8e2a91278ce664bd9e6929ec8f57da20c86498d5f73ffde5b685e136f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9eaa89e142015855fe481b5b0a3410261c0655865ae66eb41cbb8a9cff1f97a7",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-04-21T11:19:41Z",
    "title_canon_sha256": "257931d8702cc1c7e62e64983a0a92790be830ed3b5206b955f92a8eef36783b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.10025",
    "kind": "arxiv",
    "version": 1
  }
}