Pith Number

pith:WY2CBDK3

pith:2019:WY2CBDK32JXE6DPXCUCIEAVUR7

not attested not anchored not stored refs pending

Spacetime instability due to quantum gravity

Iber\^e Kuntz, Rold\~ao da Rocha

arxiv:1903.10642 v1 · 2019-03-26 · 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{WY2CBDK32JXE6DPXCUCIEAVUR7}

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	2026-05-17T23:42:20.353759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b634208d5bd26e4f0df715048202b48fc0b6ef2818658aa6a1cfd2e355e9821b

Aliases

arxiv: 1903.10642 · arxiv_version: 1903.10642v1 · doi: 10.48550/arxiv.1903.10642 · pith_short_12: WY2CBDK32JXE · pith_short_16: WY2CBDK32JXE6DPX · pith_short_8: WY2CBDK3

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/WY2CBDK32JXE6DPXCUCIEAVUR7 \
  | 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: b634208d5bd26e4f0df715048202b48fc0b6ef2818658aa6a1cfd2e355e9821b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36b0959a109c14a291a818f768609d536b9b4c010414ab6baded5b66866173b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-03-26T00:34:01Z",
    "title_canon_sha256": "c3289ccd1e29153033d1c7b770e36c5720d073335f9316b7b44688aac04c0048"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10642",
    "kind": "arxiv",
    "version": 1
  }
}