Pith Number

pith:I7KNHMGH

pith:2015:I7KNHMGHGZMRCE44CP2NWADTCQ

not attested not anchored not stored refs pending

On the Action, Topology and Geometric Invariants in Quantum Gravity

A. Coley

arxiv:1503.04775 v1 · 2015-03-16 · 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{I7KNHMGHGZMRCE44CP2NWADTCQ}

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	2026-05-18T02:23:24.065817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47d4d3b0c7365911139c13f4db007314308ab28129f78ab8144ad64f917486f0

Aliases

arxiv: 1503.04775 · arxiv_version: 1503.04775v1 · doi: 10.48550/arxiv.1503.04775 · pith_short_12: I7KNHMGHGZMR · pith_short_16: I7KNHMGHGZMRCE44 · pith_short_8: I7KNHMGH

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/I7KNHMGHGZMRCE44CP2NWADTCQ \
  | 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: 47d4d3b0c7365911139c13f4db007314308ab28129f78ab8144ad64f917486f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ffde84eef16d3c4d364448be9e8d957c6d69c09bcb9d829734485afb3cecda4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-03-16T19:17:27Z",
    "title_canon_sha256": "9781774ab1d08425058b944c1003ba6efd6c8a4717edb29514f6bf5d4cac15e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04775",
    "kind": "arxiv",
    "version": 1
  }
}