Pith Number

pith:G4BZ6JAP

pith:2018:G4BZ6JAPY3HINZ72IWR45U2CWH

not attested not anchored not stored refs pending

A Techno-Economic Analysis of Asteroid Mining

Andreas M. Hein, Dan Fries, Robert Matheson

arxiv:1810.03836 v2 · 2018-10-09 · physics.space-ph · 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{G4BZ6JAPY3HINZ72IWR45U2CWH}

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	2026-05-18T00:03:40.897927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37039f240fc6ce86e7fa45a3ced342b1c6034264cbbed47615f408092557c898

Aliases

arxiv: 1810.03836 · arxiv_version: 1810.03836v2 · doi: 10.48550/arxiv.1810.03836 · pith_short_12: G4BZ6JAPY3HI · pith_short_16: G4BZ6JAPY3HINZ72 · pith_short_8: G4BZ6JAP

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/G4BZ6JAPY3HINZ72IWR45U2CWH \
  | 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: 37039f240fc6ce86e7fa45a3ced342b1c6034264cbbed47615f408092557c898

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8e4fc0fdf70ba84d3e9aba8ce463c82fbca9d0b247d8835c6618bb330cb1f37",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2018-10-09T07:17:55Z",
    "title_canon_sha256": "102bd435db8764fe7442537511b647fd0931da0e779e2b552715b6b30483f3af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03836",
    "kind": "arxiv",
    "version": 2
  }
}