Pith Number

pith:4SRQXG2Z

pith:2010:4SRQXG2ZSTAFHNPK5B5WCGYDLG

not attested not anchored not stored refs pending

F(T) gravity and k-essence

Ratbay Myrzakulov

arxiv:1008.4486 v5 · 2010-08-26 · 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{4SRQXG2ZSTAFHNPK5B5WCGYDLG}

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	2026-05-18T03:41:02.615849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4a30b9b5994c053b5eae87b611b03598d0b335b16ff9115cdf789b8557b0b1c

Aliases

arxiv: 1008.4486 · arxiv_version: 1008.4486v5 · doi: 10.48550/arxiv.1008.4486 · pith_short_12: 4SRQXG2ZSTAF · pith_short_16: 4SRQXG2ZSTAFHNPK · pith_short_8: 4SRQXG2Z

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/4SRQXG2ZSTAFHNPK5B5WCGYDLG \
  | 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: e4a30b9b5994c053b5eae87b611b03598d0b335b16ff9115cdf789b8557b0b1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acf7d88dad7d7518d24e6d5aca4e24cbb026ceea1a99e5e8e12b30328fb57211",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2010-08-26T12:12:02Z",
    "title_canon_sha256": "c817df8e03f7128dd3ab0fa4892ece7a3dcaef931e2c134eabfc43dcf8248433"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4486",
    "kind": "arxiv",
    "version": 5
  }
}