Pith Number

pith:6HMOMUWL

pith:2008:6HMOMUWLBVPZN6J7G5WFODT6ZU

not attested not anchored not stored refs pending

Gravitons, Dark Matter, and Classical Gravitation

Marcelo Samuel Berman

arxiv:0806.1766 v3 · 2008-06-10 · physics.gen-ph · physics.class-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{6HMOMUWLBVPZN6J7G5WFODT6ZU}

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	2026-05-18T03:41:21.662663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1d8e652cb0d5f96f93f376c570e7ecd27196e29acd770b85221b8e40f577472

Aliases

arxiv: 0806.1766 · arxiv_version: 0806.1766v3 · doi: 10.48550/arxiv.0806.1766 · pith_short_12: 6HMOMUWLBVPZ · pith_short_16: 6HMOMUWLBVPZN6J7 · pith_short_8: 6HMOMUWL

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/6HMOMUWLBVPZN6J7G5WFODT6ZU \
  | 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: f1d8e652cb0d5f96f93f376c570e7ecd27196e29acd770b85221b8e40f577472

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1df47db3e0fc7236e2b8ef450daf1895f1abbd7b6857eddd322d813a8b4cf38a",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2008-06-10T23:06:25Z",
    "title_canon_sha256": "89852588aceec22a190c1dd7dc243f78bb2e4fa8ad90c265d5ce1eeb63f7fc7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.1766",
    "kind": "arxiv",
    "version": 3
  }
}