Pith Number

pith:77ICQGNF

pith:2015:77ICQGNFILGAUYEPSFQKA54QMU

not attested not anchored not stored refs pending

$f(\phi) R$-models for inflation

Lorenzo Sebastiani, Ratbay Myrzakulov, Shynaray Myrzakul

arxiv:1509.07021 v2 · 2015-09-22 · 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{77ICQGNFILGAUYEPSFQKA54QMU}

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	2026-05-18T01:19:53.585078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffd02819a542cc0a608f9160a07790653976ef252d0ea28e854b2687c37aaae7

Aliases

arxiv: 1509.07021 · arxiv_version: 1509.07021v2 · doi: 10.48550/arxiv.1509.07021 · pith_short_12: 77ICQGNFILGA · pith_short_16: 77ICQGNFILGAUYEP · pith_short_8: 77ICQGNF

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/77ICQGNFILGAUYEPSFQKA54QMU \
  | 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: ffd02819a542cc0a608f9160a07790653976ef252d0ea28e854b2687c37aaae7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feffe1e3b894b2cae254a8d629887feb43a42ff9b8cef506cbf578bcb7fcde80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-09-22T12:02:25Z",
    "title_canon_sha256": "73d68743f79da4ebc15404bada8208fd8d9f0e024c9a24b8cc37ae2eda2c34ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07021",
    "kind": "arxiv",
    "version": 2
  }
}