Pith Number

pith:Z32HRA4Z

pith:2018:Z32HRA4ZWHNUAL6KI6L4MJUI45

not attested not anchored not stored refs pending

The observational constraint on constant-roll inflation

Qing Gao

arxiv:1802.01986 v2 · 2018-02-05 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z32HRA4ZWHNUAL6KI6L4MJUI45}

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	2026-05-18T00:21:40.312133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cef4788399b1db402fca4797c62688e7618e71e3e86b8a2568c6d1b5516fa2ed

Aliases

arxiv: 1802.01986 · arxiv_version: 1802.01986v2 · doi: 10.48550/arxiv.1802.01986 · pith_short_12: Z32HRA4ZWHNU · pith_short_16: Z32HRA4ZWHNUAL6K · pith_short_8: Z32HRA4Z

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/Z32HRA4ZWHNUAL6KI6L4MJUI45 \
  | 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: cef4788399b1db402fca4797c62688e7618e71e3e86b8a2568c6d1b5516fa2ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd736ea9b4543d73a281e9dcd61e363453e96a0bc383ba42e3ed45abd015b6bc",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-02-05T09:09:20Z",
    "title_canon_sha256": "b952e953e240c78f4bfbd8888cbdf6b9eddeeea30ddba733f16d6b32a5083336"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01986",
    "kind": "arxiv",
    "version": 2
  }
}