Pith Number

pith:T7HDYKVM

pith:2019:T7HDYKVM4GAHKPFFEAKUJNMMBA

not attested not anchored not stored refs pending

Violation of Universal Lower Bound for the Shear Viscosity to Entropy Density Ratio in Dark Energy Dominated Accretion

Ritabrata Biswas, Sandip Dutta

arxiv:1901.04998 v2 · 2019-01-15 · 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{T7HDYKVM4GAHKPFFEAKUJNMMBA}

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	2026-05-17T23:42:08.394816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fce3c2aace180753ca5201544b58c0805fb8154021d129adf64b91185b1d322

Aliases

arxiv: 1901.04998 · arxiv_version: 1901.04998v2 · doi: 10.48550/arxiv.1901.04998 · pith_short_12: T7HDYKVM4GAH · pith_short_16: T7HDYKVM4GAHKPFF · pith_short_8: T7HDYKVM

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/T7HDYKVM4GAHKPFFEAKUJNMMBA \
  | 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: 9fce3c2aace180753ca5201544b58c0805fb8154021d129adf64b91185b1d322

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36d92da5b7fc201972bfedd437d69fcc595b851a8676cec7c3917767acca4cef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-01-15T11:02:27Z",
    "title_canon_sha256": "c8c2274bbb70304372602230e882e451e67f19d7dcd016665fcdc86504742292"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04998",
    "kind": "arxiv",
    "version": 2
  }
}