Pith Number

pith:OSAK4JO2

pith:2012:OSAK4JO2Z2DG37BKGOFQXNTE5N

not attested not anchored not stored refs pending

The four fixed points of scale invariant single field cosmological models

BingKan Xue

arxiv:1208.4577 v1 · 2012-08-22 · hep-th · 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{OSAK4JO2Z2DG37BKGOFQXNTE5N}

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	2026-05-18T02:19:06.495395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7480ae25dace866dfc2a338b0bb664eb73dd22e937380a7b0e5ef4d1be8b7330

Aliases

arxiv: 1208.4577 · arxiv_version: 1208.4577v1 · doi: 10.48550/arxiv.1208.4577 · pith_short_12: OSAK4JO2Z2DG · pith_short_16: OSAK4JO2Z2DG37BK · pith_short_8: OSAK4JO2

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/OSAK4JO2Z2DG37BKGOFQXNTE5N \
  | 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: 7480ae25dace866dfc2a338b0bb664eb73dd22e937380a7b0e5ef4d1be8b7330

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba81c285f1233213f72b2e7ec54a31620e85f2f259d49b0cd74376edcfa8d07d",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-08-22T19:05:13Z",
    "title_canon_sha256": "1a03dc7b61c1e422b62dea95529712eb88812d94bfe30ac2fc2da2ea62555ce3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4577",
    "kind": "arxiv",
    "version": 1
  }
}