Pith Number

pith:G5SBEE72

pith:2021:G5SBEE72FTE6KGEO4BETJCCO5S

not attested not anchored not stored refs pending

The Proposed Silicate-Sulfuric Acid Process: Mineral Processing for In Situ Resource Utilization (ISRU)

Benjamin Hartig, Eleanor Sansom, Hadrien Devillepoix, Martin Towner, Patrick Shober, Seamus Anderson

arxiv:2107.05872 v1 · 2021-07-13 · astro-ph.EP · astro-ph.IM · physics.space-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{G5SBEE72FTE6KGEO4BETJCCO5S}

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	2026-07-05T03:06:31.970928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37641213fa2cc9e5188ee04934884eec9fb4e188cb90c68bc425d6eb9932cede

Aliases

arxiv: 2107.05872 · arxiv_version: 2107.05872v1 · doi: 10.48550/arxiv.2107.05872 · pith_short_12: G5SBEE72FTE6 · pith_short_16: G5SBEE72FTE6KGEO · pith_short_8: G5SBEE72

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/G5SBEE72FTE6KGEO4BETJCCO5S \
  | 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: 37641213fa2cc9e5188ee04934884eec9fb4e188cb90c68bc425d6eb9932cede

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f171514c7fb3696e9297077478d76a1634f342e67d6b2b09ef853ac2335348c",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-07-13T06:43:41Z",
    "title_canon_sha256": "86bd66f781169dbbd5360541133f05136177af633584a91a5cea6a84f67d076b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.05872",
    "kind": "arxiv",
    "version": 1
  }
}