Pith Number

pith:OPA2VXQX

pith:2016:OPA2VXQXLR3E3KWU5GLL7PEZEG

not attested not anchored not stored refs pending

Effective quantum gravity observables and locally covariant QFT

Kasia Rejzner

arxiv:1603.06993 v1 · 2016-03-22 · math-ph · gr-qc · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OPA2VXQXLR3E3KWU5GLL7PEZEG}

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	2026-05-18T01:16:13.304004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73c1aade175c764daad4e996bfbc9921b8829d957ca96e4619520c1ad0afdcd4

Aliases

arxiv: 1603.06993 · arxiv_version: 1603.06993v1 · doi: 10.48550/arxiv.1603.06993 · pith_short_12: OPA2VXQXLR3E · pith_short_16: OPA2VXQXLR3E3KWU · pith_short_8: OPA2VXQX

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/OPA2VXQXLR3E3KWU5GLL7PEZEG \
  | 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: 73c1aade175c764daad4e996bfbc9921b8829d957ca96e4619520c1ad0afdcd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9e47bdd50e4f9b43152897fa20cd4620d6b694958055d1716b80cd1eaffea40",
    "cross_cats_sorted": [
      "gr-qc",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-03-22T21:30:50Z",
    "title_canon_sha256": "e1142f1f51f374087acacb9daa63e3ffd4401190daf71bb7e1ceb1e79a0e8662"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.06993",
    "kind": "arxiv",
    "version": 1
  }
}