Pith Number

pith:PWM75JQP

pith:2010:PWM75JQP7PN73V2SDDBP64AHPA

not attested not anchored not stored refs pending

Dark matter effects in vacuum spacetime

Alexander Kamenshchik, Luca Rizzi, Oliver F. Piattella, Sergio Cacciatori, Vittorio Gorini

arxiv:1006.4059 v2 · 2010-06-21 · gr-qc · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PWM75JQP7PN73V2SDDBP64AHPA}

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	2026-05-18T02:33:16.426944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d99fea60ffbdbfdd75218c2ff700778274ba6a79d1c74597dea3e68cde879cd

Aliases

arxiv: 1006.4059 · arxiv_version: 1006.4059v2 · doi: 10.48550/arxiv.1006.4059 · pith_short_12: PWM75JQP7PN7 · pith_short_16: PWM75JQP7PN73V2S · pith_short_8: PWM75JQP

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/PWM75JQP7PN73V2SDDBP64AHPA \
  | 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: 7d99fea60ffbdbfdd75218c2ff700778274ba6a79d1c74597dea3e68cde879cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "138b6c65d35ca587c17433197304b3dbabfe5208f6f61abc620a45af3a9b3d0b",
    "cross_cats_sorted": [
      "physics.gen-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-06-21T13:08:13Z",
    "title_canon_sha256": "89baaed6adee6990b8c2058431d34b30140d13cdac99d829c5ca2a74f4658d66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.4059",
    "kind": "arxiv",
    "version": 2
  }
}