Pith Number

pith:QZCEHNBH

pith:2019:QZCEHNBHKGKZVW3HRQ2AZZ4SFD

not attested not anchored not stored refs pending

Imprints of Quantum Gravity in the Cosmic Microwave Background

Iber\^e Kuntz, James Edholm, Xavier Calmet

arxiv:1903.01379 v1 · 2019-03-04 · hep-th · 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{QZCEHNBHKGKZVW3HRQ2AZZ4SFD}

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	2026-05-17T23:50:19.033584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

864443b42751959adb678c340ce79228f78ec039dea1e97760effbcd3dbe4139

Aliases

arxiv: 1903.01379 · arxiv_version: 1903.01379v1 · doi: 10.48550/arxiv.1903.01379 · pith_short_12: QZCEHNBHKGKZ · pith_short_16: QZCEHNBHKGKZVW3H · pith_short_8: QZCEHNBH

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/QZCEHNBHKGKZVW3HRQ2AZZ4SFD \
  | 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: 864443b42751959adb678c340ce79228f78ec039dea1e97760effbcd3dbe4139

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9178cacab56c9e1d217a2484e26e5bf1c637cffe72a1e0c852855aeaf2e8f8b",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-03-04T17:19:05Z",
    "title_canon_sha256": "e9e385974a6bba253b3084af249a081295964704141c694cfb97d5c9f17759f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01379",
    "kind": "arxiv",
    "version": 1
  }
}