Pith Number

pith:ZPU3NTFN

pith:2010:ZPU3NTFND62G6LISNGW2BCYZME

not attested not anchored not stored refs pending

A Critique of Drexler Dark Matter

(2) Christ Junior College, (3) Bangalore University, Bangalore, Bangalore), C. Sivaram (1), Kenath Arun (2), R. Nagaraja (3) ((1) Indian Institute of Astrophysics

arxiv:1011.5733 v1 · 2010-11-26 · physics.gen-ph · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZPU3NTFND62G6LISNGW2BCYZME}

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	2026-05-18T04:24:52.808561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbe9b6ccad1fb46f2d1269ada08b196110e0ccf7b4f5777c1a40612218b835b3

Aliases

arxiv: 1011.5733 · arxiv_version: 1011.5733v1 · doi: 10.48550/arxiv.1011.5733 · pith_short_12: ZPU3NTFND62G · pith_short_16: ZPU3NTFND62G6LIS · pith_short_8: ZPU3NTFN

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/ZPU3NTFND62G6LISNGW2BCYZME \
  | 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: cbe9b6ccad1fb46f2d1269ada08b196110e0ccf7b4f5777c1a40612218b835b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "152f7f8247db24c4ba181e33e9c6b4c70341a143d9d3b468ce19970ac082c968",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2010-11-26T09:14:25Z",
    "title_canon_sha256": "c9aba72c1f3c51cf855c55e93afde36de1cf4ac4b5a204e7572d55334f5d679b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.5733",
    "kind": "arxiv",
    "version": 1
  }
}