Pith Number

pith:CLXTFLDU

pith:2016:CLXTFLDU7R6UWFRUMWQ2UI2Q53

not attested not anchored not stored refs pending

Hamiltonian approach to GR - Part 1: covariant theory of classical gravity

Claudio Cremaschini, Massimo Tessarotto

arxiv:1609.04426 v2 · 2016-09-14 · 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{CLXTFLDU7R6UWFRUMWQ2UI2Q53}

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	2026-05-18T00:44:04.216643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12ef32ac74fc7d4b163465a1aa2350eec882aea4d9ee06424c8cbb746c499ba7

Aliases

arxiv: 1609.04426 · arxiv_version: 1609.04426v2 · doi: 10.48550/arxiv.1609.04426 · pith_short_12: CLXTFLDU7R6U · pith_short_16: CLXTFLDU7R6UWFRU · pith_short_8: CLXTFLDU

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/CLXTFLDU7R6UWFRUMWQ2UI2Q53 \
  | 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: 12ef32ac74fc7d4b163465a1aa2350eec882aea4d9ee06424c8cbb746c499ba7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f91357f3f516b734e96c34a2d24b3d2d00d812492f516105b2062e800ba3209",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-09-14T20:11:00Z",
    "title_canon_sha256": "dc847afe7c1aface74d7835a5295b282bb3d4d9b739c4ed97b77913759bf8c39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04426",
    "kind": "arxiv",
    "version": 2
  }
}