Pith Number

pith:GLUMFOSG

pith:2022:GLUMFOSGFXU2F6BJCRUV4J6UF3

not attested not anchored not stored refs pending

Space pirates: a pursuit curve problem involving retarded time

Anderson Pelluso, Thales Azevedo

arxiv:2206.14859 v1 · 2022-06-29 · physics.class-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GLUMFOSGFXU2F6BJCRUV4J6UF3}

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	2026-07-05T05:03:27.165290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32e8c2ba462de9a2f82914695e27d42ecf6a6696d6d57acfd5bae54857f4c1b7

Aliases

arxiv: 2206.14859 · arxiv_version: 2206.14859v1 · doi: 10.48550/arxiv.2206.14859 · pith_short_12: GLUMFOSGFXU2 · pith_short_16: GLUMFOSGFXU2F6BJ · pith_short_8: GLUMFOSG

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/GLUMFOSGFXU2F6BJCRUV4J6UF3 \
  | 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: 32e8c2ba462de9a2f82914695e27d42ecf6a6696d6d57acfd5bae54857f4c1b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84c77c8a0adcd0383071f346833ebdd57912b30ad40f85d3f396ab64ff282239",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2022-06-29T18:56:11Z",
    "title_canon_sha256": "a9480490047eb6675dc3b6a01c42ca8d5a521e933f5cdac9a9fd41a49f2e5a92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.14859",
    "kind": "arxiv",
    "version": 1
  }
}