Pith Number

pith:MRAKVK5I

pith:2014:MRAKVK5IBAZG6ZARABTDPXKW3Q

not attested not anchored not stored refs pending

On the perturbation theory in spatially closed background

Ali A. Asgari, Amir H. Abbassi, Jafar Khodagholizadeh

arxiv:1405.4466 v1 · 2014-05-18 · 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{MRAKVK5IBAZG6ZARABTDPXKW3Q}

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	2026-05-18T02:50:23.935498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6440aaaba808326f6411006637dd56dc347578690254197a984b5c412cae5f2c

Aliases

arxiv: 1405.4466 · arxiv_version: 1405.4466v1 · doi: 10.48550/arxiv.1405.4466 · pith_short_12: MRAKVK5IBAZG · pith_short_16: MRAKVK5IBAZG6ZAR · pith_short_8: MRAKVK5I

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/MRAKVK5IBAZG6ZARABTDPXKW3Q \
  | 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: 6440aaaba808326f6411006637dd56dc347578690254197a984b5c412cae5f2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44ae7654c1122ff0275af75dfc9802d5dbede21193db2efec13bcac4d6f932b6",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-05-18T07:26:43Z",
    "title_canon_sha256": "9bb1c2f25e4fc0927a255adc0a5c58324d282c1f78c5b9d7284fc346ee242917"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4466",
    "kind": "arxiv",
    "version": 1
  }
}