Pith Number

pith:TO7AO6CF

pith:2017:TO7AO6CFVXB24VTKHIQJNGOWYZ

not attested not anchored not stored refs pending

The Andromeda Study: A Femto-Spacecraft Mission to Alpha Centauri

Adrian Mann, Andreas M. Hein, Angelo Genovese, Bill Cress, Dan Fries, John Davies, Kelvin F. Long, Marc Casson, Martin Langer, Nikolaos Perakis, Rachel Armstrong, Richard Osborne, Rob Swinney, Stefan Zeidler

arxiv:1708.03556 v1 · 2017-08-11 · 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{TO7AO6CFVXB24VTKHIQJNGOWYZ}

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.

Cited by

1 paper in Pith

Science from the In Situ Exploration of the Proxima Centauri System

Receipt and verification

First computed	2026-05-18T00:38:12.339057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bbe077845adc3ae566a3a209699d6c65ba952d94d141a779adf9b0d4051707e

Aliases

arxiv: 1708.03556 · arxiv_version: 1708.03556v1 · doi: 10.48550/arxiv.1708.03556 · pith_short_12: TO7AO6CFVXB2 · pith_short_16: TO7AO6CFVXB24VTK · pith_short_8: TO7AO6CF

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/TO7AO6CFVXB24VTKHIQJNGOWYZ \
  | 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: 9bbe077845adc3ae566a3a209699d6c65ba952d94d141a779adf9b0d4051707e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2eaa7e928adf4ccc7f420adfb3de55397f198d6bc2e9a70fb959c722dab73e0",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-08-11T14:23:51Z",
    "title_canon_sha256": "e6b4cf87f94b9df28ad48f2c6e0fa11c63cbaf624c92fe6884b73f8f98aadbf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03556",
    "kind": "arxiv",
    "version": 1
  }
}