Pith Number

pith:NQCDDQ2R

pith:2009:NQCDDQ2RAGHDV4TCAF5O75OWOZ

not attested not anchored not stored refs pending

A New interpretation of MOND based on Mach principle and an Unruh like effect

F. Darabi

arxiv:0908.4239 v3 · 2009-08-28 · astro-ph.CO · 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{NQCDDQ2RAGHDV4TCAF5O75OWOZ}

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	2026-05-18T02:12:13.277587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c0431c351018e3af262017aeff5d6767838d1cba6103586da6a7250947a1f35

Aliases

arxiv: 0908.4239 · arxiv_version: 0908.4239v3 · doi: 10.48550/arxiv.0908.4239 · pith_short_12: NQCDDQ2RAGHD · pith_short_16: NQCDDQ2RAGHDV4TC · pith_short_8: NQCDDQ2R

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/NQCDDQ2RAGHDV4TCAF5O75OWOZ \
  | 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: 6c0431c351018e3af262017aeff5d6767838d1cba6103586da6a7250947a1f35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a5269357b82340b366f043fe493f52b5cb91bbab9d5b95810e8f70f8d365a03",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-28T16:46:29Z",
    "title_canon_sha256": "b40fdef64e724e81ac59ec1f054050519e6b8831a00333fc9c0d22c9e6e9b605"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4239",
    "kind": "arxiv",
    "version": 3
  }
}