Pith Number

pith:LRHDTXTJ

pith:2001:LRHDTXTJ6OCOOIDYUIFFDCSGJ3

not attested not anchored not stored refs pending

Cold Dark Matter from Dark Energy

Aharon Davidson, David Karasik, Yoav Lederer

arxiv:gr-qc/0111107 v1 · 2001-11-29 · gr-qc · astro-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{LRHDTXTJ6OCOOIDYUIFFDCSGJ3}

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	2026-05-18T01:06:47.775233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c4e39de69f384e72078a20a518a464ee12c854bff9458545712ad0a6993a85d

Aliases

arxiv: gr-qc/0111107 · arxiv_version: gr-qc/0111107v1 · doi: 10.48550/arxiv.gr-qc/0111107 · pith_short_12: LRHDTXTJ6OCO · pith_short_16: LRHDTXTJ6OCOOIDY · pith_short_8: LRHDTXTJ

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/LRHDTXTJ6OCOOIDYUIFFDCSGJ3 \
  | 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: 5c4e39de69f384e72078a20a518a464ee12c854bff9458545712ad0a6993a85d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18c79c305f5f0e5ea34462e0668d7e268582ebe0c1f11569c7fba2fb275012ae",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-11-29T21:26:14Z",
    "title_canon_sha256": "9a6f1ef9f7597252bd35460c99113e94bef595f6c49d4fe21f3433383234ded0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0111107",
    "kind": "arxiv",
    "version": 1
  }
}