Pith Number

pith:TNGVTCAD

pith:2019:TNGVTCADXK6OSVT6C3CAL6Q4ZV

not attested not anchored not stored refs pending

Perturbation theory in nonstandard cosmology

G\"unter Scharf

arxiv:1905.02526 v2 · 2019-04-30 · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TNGVTCADXK6OSVT6C3CAL6Q4ZV}

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	2026-05-17T23:44:28.629072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b4d598803babce9567e16c405fa1ccd76e9e506d049927348886f124a1e2421

Aliases

arxiv: 1905.02526 · arxiv_version: 1905.02526v2 · doi: 10.48550/arxiv.1905.02526 · pith_short_12: TNGVTCADXK6O · pith_short_16: TNGVTCADXK6OSVT6 · pith_short_8: TNGVTCAD

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/TNGVTCADXK6OSVT6C3CAL6Q4ZV \
  | 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: 9b4d598803babce9567e16c405fa1ccd76e9e506d049927348886f124a1e2421

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "beafe97197e76fa4ec8a2aebbfc7409dbdc365345dd00f60043dc4390c34d56b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2019-04-30T10:08:33Z",
    "title_canon_sha256": "ca6da7a15457c009dc1400da4b6a62a850479e5a9561721cb18847e312a26f79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02526",
    "kind": "arxiv",
    "version": 2
  }
}