Pith Number

pith:2JPS5ETE

pith:2019:2JPS5ETE26NQGIKOWKHA6ZJQ2B

not attested not anchored not stored refs pending

Quantum Gravity at the Fifth Root of Unity

Klee Irwin, Marcelo Amaral, Raymond Aschheim

arxiv:1903.10851 v2 · 2019-03-22 · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2JPS5ETE26NQGIKOWKHA6ZJQ2B}

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	2026-07-05T03:47:49.090573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d25f2e9264d79b03214eb28e0f6530d06d6ab2bcd2aa6922a457b3a8537b8ee8

Aliases

arxiv: 1903.10851 · arxiv_version: 1903.10851v2 · doi: 10.48550/arxiv.1903.10851 · pith_short_12: 2JPS5ETE26NQ · pith_short_16: 2JPS5ETE26NQGIKO · pith_short_8: 2JPS5ETE

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/2JPS5ETE26NQGIKOWKHA6ZJQ2B \
  | 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: d25f2e9264d79b03214eb28e0f6530d06d6ab2bcd2aa6922a457b3a8537b8ee8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65a4a77ccfde256ddced4a800601fcdb3526aa827e78cb8cf6f0c9aedecaca2b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-03-22T06:38:09Z",
    "title_canon_sha256": "ddef1770d94fe5df0837879c4ae53e5d749afe9d86deb407526dd39054c2bf52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10851",
    "kind": "arxiv",
    "version": 2
  }
}