Pith Number

pith:OBZDEKR4

pith:2019:OBZDEKR4ZPVEFHH6O7JCIKQIQI

not attested not anchored not stored refs pending

An axiomatic purification of gravity

Luca Marzola, Manuel Hohmann, Tomi Koivisto

arxiv:1909.10415 v1 · 2019-09-23 · 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{OBZDEKR4ZPVEFHH6O7JCIKQIQI}

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.

Cited by

1 paper in Pith

Dynamical systems approach and cosmological attractors in newer general relativity

Receipt and verification

First computed	2026-07-05T02:28:15.568733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7072322a3ccbea429cfe77d2242a088231e45b0410e07d460a0e9b14c71afe90

Aliases

arxiv: 1909.10415 · arxiv_version: 1909.10415v1 · doi: 10.48550/arxiv.1909.10415 · pith_short_12: OBZDEKR4ZPVE · pith_short_16: OBZDEKR4ZPVEFHH6 · pith_short_8: OBZDEKR4

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/OBZDEKR4ZPVEFHH6O7JCIKQIQI \
  | 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: 7072322a3ccbea429cfe77d2242a088231e45b0410e07d460a0e9b14c71afe90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95dc2ed7fbd7dcfdb6a77265102a6aa9e5801bae11615314f69c20eb29abcb2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-09-23T15:13:58Z",
    "title_canon_sha256": "187d500f726785190c87465f7043d07b293a8eb1926a258f063649e436a4a78f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.10415",
    "kind": "arxiv",
    "version": 1
  }
}