Pith Number

pith:VOPWAUN6

pith:2018:VOPWAUN6S2VT5DWTZSCS2EEMUV

not attested not anchored not stored refs pending

NGC 1052-DF2 And Modified Gravity (MOG) Without Dark Matter

J. W. Moffat, V. T. Toth

arxiv:1805.01117 v3 · 2018-05-03 · gr-qc · astro-ph.GA

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

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	2026-05-18T00:01:23.363564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab9f6051be96ab3e8ed3cc852d108ca55525a0faecc8dfa4768acb9cd5fe7c98

Aliases

arxiv: 1805.01117 · arxiv_version: 1805.01117v3 · doi: 10.48550/arxiv.1805.01117 · pith_short_12: VOPWAUN6S2VT · pith_short_16: VOPWAUN6S2VT5DWT · pith_short_8: VOPWAUN6

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/VOPWAUN6S2VT5DWTZSCS2EEMUV \
  | 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: ab9f6051be96ab3e8ed3cc852d108ca55525a0faecc8dfa4768acb9cd5fe7c98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f70332a1074b80bdd37fa7e291dda038fb6ef94a09c66d5ff853ccfec21b4c1",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-05-03T05:03:21Z",
    "title_canon_sha256": "664a92205a8cac783ae819aea2a0a9f02b5002d4eacc1ea0de15ead0151f94aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01117",
    "kind": "arxiv",
    "version": 3
  }
}