Pith Number

pith:AYPFASAJ

pith:2019:AYPFASAJO5UF6Y6FMG2INFYT2I

not attested not anchored not stored refs pending

Defining of three-dimensional acceleration and inertial mass leading to the simple form F=MA of relativistic motion equation

Grzegorz M. Koczan

arxiv:1909.09084 v3 · 2019-08-30 · physics.hist-ph · gr-qc · physics.class-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{AYPFASAJO5UF6Y6FMG2INFYT2I}

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	2026-07-05T02:32:43.921651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

061e50480977685f63c561b4869713d213b04665bb66bb8a138a260969d52dbc

Aliases

arxiv: 1909.09084 · arxiv_version: 1909.09084v3 · doi: 10.48550/arxiv.1909.09084 · pith_short_12: AYPFASAJO5UF · pith_short_16: AYPFASAJO5UF6Y6F · pith_short_8: AYPFASAJ

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/AYPFASAJO5UF6Y6FMG2INFYT2I \
  | 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: 061e50480977685f63c561b4869713d213b04665bb66bb8a138a260969d52dbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5346fcaa65dea5647a3f8507fdc9b6ab45256c066becbd9f0b56a630765da62",
    "cross_cats_sorted": [
      "gr-qc",
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2019-08-30T18:51:53Z",
    "title_canon_sha256": "34e3869f5e939685a84a6dd1b019083b0503bff6f7498f12a9737dd2b575d616"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.09084",
    "kind": "arxiv",
    "version": 3
  }
}