Pith Number

pith:24MCIZJO

pith:2017:24MCIZJOWPRTQKHZA3SPK5DDLJ

not attested not anchored not stored refs pending

Accounting for some aspects of dark matter and dark energy via noncommutative geometry

Peter K.F. Kuhfittig

arxiv:1703.01481 v4 · 2017-03-04 · 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{24MCIZJOWPRTQKHZA3SPK5DDLJ}

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	2026-05-17T23:45:53.589066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d71824652eb3e33828f906e4f574635a556744eb7014668a91530e9127379941

Aliases

arxiv: 1703.01481 · arxiv_version: 1703.01481v4 · doi: 10.48550/arxiv.1703.01481 · pith_short_12: 24MCIZJOWPRT · pith_short_16: 24MCIZJOWPRTQKHZ · pith_short_8: 24MCIZJO

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/24MCIZJOWPRTQKHZA3SPK5DDLJ \
  | 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: d71824652eb3e33828f906e4f574635a556744eb7014668a91530e9127379941

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31bd12f753bf9d6539e06a436f6f1b628f0f98a57dd9dca99849f6f9d639decb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-03-04T15:41:26Z",
    "title_canon_sha256": "8e8bd71fc9b1c42b3dab889e212616c52cdd0e380a5a46f67216e99c8b9ae97b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01481",
    "kind": "arxiv",
    "version": 4
  }
}