Pith Number

pith:QOVUNUC6

pith:2021:QOVUNUC6MVA4EMSLLXJWW7KAQU

not attested not anchored not stored refs pending

Perturbations and the Future Conformal Boundary

A. N. Lasenby, C.S. Negreanu, D. J. Bartlett, W. J. Handley

arxiv:2104.02521 v3 · 2021-04-05 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOVUNUC6MVA4EMSLLXJWW7KAQU}

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	2026-07-05T04:23:34.744007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83ab46d05e6541c2324b5dd36b7d40852a89aee68293eb9a266c0ac513841e41

Aliases

arxiv: 2104.02521 · arxiv_version: 2104.02521v3 · doi: 10.48550/arxiv.2104.02521 · pith_short_12: QOVUNUC6MVA4 · pith_short_16: QOVUNUC6MVA4EMSL · pith_short_8: QOVUNUC6

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/QOVUNUC6MVA4EMSLLXJWW7KAQU \
  | 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: 83ab46d05e6541c2324b5dd36b7d40852a89aee68293eb9a266c0ac513841e41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9754d730ff554c159fd59f4756c18e4b11b1d59c6467a2e08580637459526cff",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-04-05T14:53:07Z",
    "title_canon_sha256": "d4423c50fd0da48832af031b183631bd8c77860e2a8424e0d800594ce1825247"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.02521",
    "kind": "arxiv",
    "version": 3
  }
}