Pith Number

pith:DQXBQ4DM

pith:2014:DQXBQ4DMCMMTO76YVQYQPF2SSK

not attested not anchored not stored refs pending

Cosmological perturbations in warm-tachyon inflationary universe model with viscous pressure

M. R. Setare, V. Kamali

arxiv:1407.2604 v1 · 2014-07-09 · 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{DQXBQ4DMCMMTO76YVQYQPF2SSK}

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	2026-05-18T01:42:38.455405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c2e18706c1319377fd8ac310797529287753a12ca0c550528f29b1f124babe6

Aliases

arxiv: 1407.2604 · arxiv_version: 1407.2604v1 · doi: 10.48550/arxiv.1407.2604 · pith_short_12: DQXBQ4DMCMMT · pith_short_16: DQXBQ4DMCMMTO76Y · pith_short_8: DQXBQ4DM

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/DQXBQ4DMCMMTO76YVQYQPF2SSK \
  | 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: 1c2e18706c1319377fd8ac310797529287753a12ca0c550528f29b1f124babe6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db0d837d5af68c8df64fedd28dce2c7f00272ee4ff9d64d724ad2efe47f351fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-07-09T10:58:15Z",
    "title_canon_sha256": "d82d4784cc10b87da09682c0b7a6c03211e089c15fdd7e1e2810e214d8c108e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2604",
    "kind": "arxiv",
    "version": 1
  }
}