Pith Number

pith:GOBF7PBQ

pith:2016:GOBF7PBQ6TRKZB2VQN3U745SEA

not attested not anchored not stored refs pending

\bf $\delta M$ Formalism: A New Approach to Cosmological Perturbation Theory in Anisotropic Inflation

Ali Akbar Abolhasani, Alireza Talebian-Ashkezari, Nahid Ahmadi

arxiv:1609.05893 v2 · 2016-09-19 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GOBF7PBQ6TRKZB2VQN3U745SEA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:21:35.560137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33825fbc30f4e2ac875583774ff3b2203ba45e23b753a624a866b92dc113a34a

Aliases

arxiv: 1609.05893 · arxiv_version: 1609.05893v2 · doi: 10.48550/arxiv.1609.05893 · pith_short_12: GOBF7PBQ6TRK · pith_short_16: GOBF7PBQ6TRKZB2V · pith_short_8: GOBF7PBQ

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/GOBF7PBQ6TRKZB2VQN3U745SEA \
  | 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: 33825fbc30f4e2ac875583774ff3b2203ba45e23b753a624a866b92dc113a34a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a717fad7c588ccb73840b501bf5eaf727d13d49f6b380c3e2607c1a9381fe0c5",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-09-19T13:25:39Z",
    "title_canon_sha256": "7d61cae51976eb6f43deef78532f4f12c41b3ffea04d22075fbcc7117ca6c4f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.05893",
    "kind": "arxiv",
    "version": 2
  }
}