Pith Number

pith:P5AOFRAP

pith:2019:P5AOFRAPPK4MSZ52WUG3RSN4YD

not attested not anchored not stored refs pending

Constitutive law of nonlocal gravity

Dirk Puetzfeld, Friedrich W. Hehl, Yuri N. Obukhov

arxiv:1903.04023 v2 · 2019-03-10 · 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{P5AOFRAPPK4MSZ52WUG3RSN4YD}

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	2026-05-17T23:46:40.962641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f40e2c40f7ab8c967bab50db8c9bcc0c4c947543781e23dfa91ec3a9e4345d5

Aliases

arxiv: 1903.04023 · arxiv_version: 1903.04023v2 · doi: 10.48550/arxiv.1903.04023 · pith_short_12: P5AOFRAPPK4M · pith_short_16: P5AOFRAPPK4MSZ52 · pith_short_8: P5AOFRAP

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/P5AOFRAPPK4MSZ52WUG3RSN4YD \
  | 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: 7f40e2c40f7ab8c967bab50db8c9bcc0c4c947543781e23dfa91ec3a9e4345d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "577675f972296b99695ce04f27ac185e1111df94b655d1d7a723e3ed720b552c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-03-10T17:03:28Z",
    "title_canon_sha256": "ae456e2bb9d4b66b76bff46557195c378ed5ffe8dd199fe8e6e4ec0dc624a266"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04023",
    "kind": "arxiv",
    "version": 2
  }
}