Pith Number

pith:RGKFFXB5

pith:2015:RGKFFXB5ZD6226DIELKZLB2HYM

not attested not anchored not stored refs pending

The Imprint of f(R) Gravity on Non-Linear Structure Formation

Ewald Puchwein, Ixandra Achitouv, Jochen Weller, Marco Baldi

arxiv:1511.01494 v1 · 2015-11-04 · astro-ph.CO · 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{RGKFFXB5ZD6226DIELKZLB2HYM}

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	2026-05-18T01:14:02.610530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

899452dc3dc8fdad786822d5958747c32a970ba03ecd886423ea19012f993c73

Aliases

arxiv: 1511.01494 · arxiv_version: 1511.01494v1 · doi: 10.48550/arxiv.1511.01494 · pith_short_12: RGKFFXB5ZD62 · pith_short_16: RGKFFXB5ZD6226DI · pith_short_8: RGKFFXB5

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/RGKFFXB5ZD6226DIELKZLB2HYM \
  | 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: 899452dc3dc8fdad786822d5958747c32a970ba03ecd886423ea19012f993c73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c341a4f9912c2ab2fdc7ccecb74edd7b81ab9534fb3cbc3a5ded79731021ba82",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-11-04T21:00:03Z",
    "title_canon_sha256": "938122ee107649eb286712b9f8e5dfc07e73096b229ccd232123f206d4c0eeda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01494",
    "kind": "arxiv",
    "version": 1
  }
}