Pith Number

pith:FFHMQLK3

pith:2016:FFHMQLK3RGGLX2FCRXSCSRQSBP

not attested not anchored not stored refs pending

Affordable, Rapid Bootstrapping of the Space Industry and Solar System Civilization

Anthony Muscatello, James Mantovani, Philip T. Metzger, Robert P. Mueller

arxiv:1612.03238 v1 · 2016-12-10 · physics.pop-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{FFHMQLK3RGGLX2FCRXSCSRQSBP}

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	2026-05-18T00:55:19.864833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

294ec82d5b898cbbe8a28de42946120be7a3640ac50a9064ae23ecd51750a51c

Aliases

arxiv: 1612.03238 · arxiv_version: 1612.03238v1 · doi: 10.48550/arxiv.1612.03238 · pith_short_12: FFHMQLK3RGGL · pith_short_16: FFHMQLK3RGGLX2FC · pith_short_8: FFHMQLK3

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/FFHMQLK3RGGLX2FCRXSCSRQSBP \
  | 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: 294ec82d5b898cbbe8a28de42946120be7a3640ac50a9064ae23ecd51750a51c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "071ba7256ac087ebbb769c8e0acbcdab4ce52b4b59a19e35f55aafc76bd82ad0",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2016-12-10T02:30:24Z",
    "title_canon_sha256": "00f6768fac665c77b640ae2104eeb9cf49e336660bb7fe5c4a39691d795db63d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03238",
    "kind": "arxiv",
    "version": 1
  }
}