Pith Number

pith:56L55QUM

pith:2015:56L55QUMLBCKWHFIEOKLFKNKIO

not attested not anchored not stored refs pending

Mach's Principle and the Origin of Inertia

B. Mashhoon

arxiv:1509.01869 v2 · 2015-09-07 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{56L55QUMLBCKWHFIEOKLFKNKIO}

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	2026-07-05T01:22:27.299133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef97dec28c5844ab1ca82394b2a9aa43b7635067f436f188c510e5454995f404

Aliases

arxiv: 1509.01869 · arxiv_version: 1509.01869v2 · doi: 10.48550/arxiv.1509.01869 · pith_short_12: 56L55QUMLBCK · pith_short_16: 56L55QUMLBCKWHFI · pith_short_8: 56L55QUM

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/56L55QUMLBCKWHFIEOKLFKNKIO \
  | 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: ef97dec28c5844ab1ca82394b2a9aa43b7635067f436f188c510e5454995f404

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5922524c2e3afa616d4ba9102e182315d5a585e6c63c69297a6736ad2e37eac5",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-09-07T00:32:02Z",
    "title_canon_sha256": "2c4265d51ed5266b62ddf6f9e5ca7557cc07d03c6f8516576b9c6889579eaf5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01869",
    "kind": "arxiv",
    "version": 2
  }
}