Pith Number

pith:SPQ2UNC7

pith:2016:SPQ2UNC7DQTSQM55I2L6RWCFP6

not attested not anchored not stored refs pending

Rescuing the concept of swimming in curved spacetime

Daniel A. T. Vanzella, George E. A. Matsas, Rodrigo Andrade e Silva

arxiv:1611.06183 v1 · 2016-11-18 · 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{SPQ2UNC7DQTSQM55I2L6RWCFP6}

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	2026-05-18T00:47:56.636452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93e1aa345f1c272833bd4697e8d8457f938c7c8621cb0f0dc91fd789427b160d

Aliases

arxiv: 1611.06183 · arxiv_version: 1611.06183v1 · doi: 10.48550/arxiv.1611.06183 · pith_short_12: SPQ2UNC7DQTS · pith_short_16: SPQ2UNC7DQTSQM55 · pith_short_8: SPQ2UNC7

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/SPQ2UNC7DQTSQM55I2L6RWCFP6 \
  | 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: 93e1aa345f1c272833bd4697e8d8457f938c7c8621cb0f0dc91fd789427b160d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85b01573b2c9bb3a4b29629bf1655dfaba06b101b1fc3d46d289b6f6febede70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-11-18T18:03:19Z",
    "title_canon_sha256": "e74036683238ca7c44701989be6cf0758324bd31476adfa96851d75ef25ef03f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.06183",
    "kind": "arxiv",
    "version": 1
  }
}