Pith Number

pith:IUM4OKHM

pith:2011:IUM4OKHMI2CPMWA6WIIUWMNJ7I

not attested not anchored not stored refs pending

$f(T)$ cosmology via Noether symmetry

F. Darabi, K. Atazadeh

arxiv:1112.2824 v3 · 2011-12-13 · 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{IUM4OKHMI2CPMWA6WIIUWMNJ7I}

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	2026-05-18T03:54:49.189353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4519c728ec4684f6581eb2114b31a9fa1818707094ad7f4ebf10b2d8649808ce

Aliases

arxiv: 1112.2824 · arxiv_version: 1112.2824v3 · doi: 10.48550/arxiv.1112.2824 · pith_short_12: IUM4OKHMI2CP · pith_short_16: IUM4OKHMI2CPMWA6 · pith_short_8: IUM4OKHM

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/IUM4OKHMI2CPMWA6WIIUWMNJ7I \
  | 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: 4519c728ec4684f6581eb2114b31a9fa1818707094ad7f4ebf10b2d8649808ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "744f3d74af9f2304f7a6535da335919807e95b64248b5e48f8087aaa2befcf46",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2011-12-13T09:03:01Z",
    "title_canon_sha256": "fa32aea30ba104eae8aaec422292273bb05ddce0772c9652144bcd03d21c4f25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2824",
    "kind": "arxiv",
    "version": 3
  }
}