Pith Number

pith:CYRZ5TCU

pith:2021:CYRZ5TCUAVSVMZQ73FD344ZNQC

not attested not anchored not stored refs pending

Improved cosmological fits with quantized primordial power spectra

A. N. Lasenby, D. J. Bartlett, W. J. Handley

arxiv:2104.01938 v3 · 2021-04-05 · astro-ph.CO · 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{CYRZ5TCUAVSVMZQ73FD344ZNQC}

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	2026-07-05T04:23:34.719799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16239ecc54056556661fd947be732d80b01d684a46586fb9686013d1530d33fa

Aliases

arxiv: 2104.01938 · arxiv_version: 2104.01938v3 · doi: 10.48550/arxiv.2104.01938 · pith_short_12: CYRZ5TCUAVSV · pith_short_16: CYRZ5TCUAVSVMZQ7 · pith_short_8: CYRZ5TCU

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/CYRZ5TCUAVSVMZQ73FD344ZNQC \
  | 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: 16239ecc54056556661fd947be732d80b01d684a46586fb9686013d1530d33fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3773e6b0a1c27ca4ff1887529a2c4d14217f903af422e8b297d9e6f723fd92a6",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-04-05T14:53:21Z",
    "title_canon_sha256": "089f41827313b19f804d437691bf765f9667e83a97224ded70f2c5feb0fef26c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.01938",
    "kind": "arxiv",
    "version": 3
  }
}