Pith Number

pith:4TR35QT5

pith:2018:4TR35QT5XMSG277JPO7LUYHIFZ

not attested not anchored not stored refs pending

Constraints on Tensor to Scalar Ratio using WKB Approximation

Aiswarya. A, Minu Joy

arxiv:1809.08572 v2 · 2018-09-23 · 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{4TR35QT5XMSG277JPO7LUYHIFZ}

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	2026-05-17T23:53:50.715054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4e3bec27dbb246d7fe97bbeba60e82e7f6142e2d0558d8ae30d995ccbd6bc8a

Aliases

arxiv: 1809.08572 · arxiv_version: 1809.08572v2 · doi: 10.48550/arxiv.1809.08572 · pith_short_12: 4TR35QT5XMSG · pith_short_16: 4TR35QT5XMSG277J · pith_short_8: 4TR35QT5

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/4TR35QT5XMSG277JPO7LUYHIFZ \
  | 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: e4e3bec27dbb246d7fe97bbeba60e82e7f6142e2d0558d8ae30d995ccbd6bc8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4f79101fc24fba946eff2250374001526e2454d578a628c1d049784b76ea9d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-09-23T10:27:56Z",
    "title_canon_sha256": "675bed1411dfd7de5b2480401e3813d76e3deb9620eacca5da61264c2b01fe26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08572",
    "kind": "arxiv",
    "version": 2
  }
}