Pith Number

pith:PIPSDE52

pith:2018:PIPSDE52RN7C7GDBUSB4TFYDIV

not attested not anchored not stored refs pending

Feasibility and performance assessment of a practical autonomous deep space navigation system based on X-ray pulsar timing

Adrian Martindale, David Hindley, George Fraser, John Pye, Lucy Heil, Philippa Molyneux, Robert Warwick, Setnam Shemar

arxiv:1805.05899 v1 · 2018-05-15 · astro-ph.IM · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PIPSDE52RN7C7GDBUSB4TFYDIV}

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	2026-05-18T00:15:53.333669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a1f2193ba8b7e2f9861a483c9970345569d7d28cb83904c5aafe29ad066f6ae

Aliases

arxiv: 1805.05899 · arxiv_version: 1805.05899v1 · doi: 10.48550/arxiv.1805.05899 · pith_short_12: PIPSDE52RN7C · pith_short_16: PIPSDE52RN7C7GDB · pith_short_8: PIPSDE52

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/PIPSDE52RN7C7GDBUSB4TFYDIV \
  | 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: 7a1f2193ba8b7e2f9861a483c9970345569d7d28cb83904c5aafe29ad066f6ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d50725cfd4789d4ab044184cbe0410b7fdb069c859556938df5af1fd6f5531dc",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-05-15T16:43:35Z",
    "title_canon_sha256": "750f24810130540e3935061e497f0201b1a44aac26f42634fc95c31efa3d41cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05899",
    "kind": "arxiv",
    "version": 1
  }
}