Pith Number

pith:QDCDDF4D

pith:2021:QDCDDF4DRBFETCFX6FX7LIIIJM

not attested not anchored not stored refs pending

Viscous coupled fluids in terms of a log-corrected equation of state

A. V. Timoshkin, A. Zhadyranova, I. Brevik, K. Myrzakulov

arxiv:2107.10341 v2 · 2021-07-21 · 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{QDCDDF4DRBFETCFX6FX7LIIIJM}

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	2026-07-05T03:07:29.370387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80c4319783884a4988b7f16ff5a1084b3706deeb2f5e210b582604f83e648aeb

Aliases

arxiv: 2107.10341 · arxiv_version: 2107.10341v2 · doi: 10.48550/arxiv.2107.10341 · pith_short_12: QDCDDF4DRBFE · pith_short_16: QDCDDF4DRBFETCFX · pith_short_8: QDCDDF4D

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/QDCDDF4DRBFETCFX6FX7LIIIJM \
  | 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: 80c4319783884a4988b7f16ff5a1084b3706deeb2f5e210b582604f83e648aeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d816063b4ca8766e06e3bc86068c84c4e87fe2076a23b46ef7be4ac57b41ba8b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-07-21T20:11:44Z",
    "title_canon_sha256": "20081f93d2505b61197ad3ca6ac1aec408f1ee767d30abd5caeb2345c0d367a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.10341",
    "kind": "arxiv",
    "version": 2
  }
}