Pith Number

pith:4EAVY6AA

pith:2017:4EAVY6AA2NXCVZKMADDCON2W4P

not attested not anchored not stored refs pending

Qualitative types of cosmological evolution in hydrodynamic models with barotropic equation of state

S.S. Dylda, V.I. Zhdanov

arxiv:1707.03533 v1 · 2017-07-12 · 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{4EAVY6AA2NXCVZKMADDCON2W4P}

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	2026-05-18T00:40:25.696917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1015c7800d36e2ae54c00c6273756e3c6dc3a1b953bef05b6057c25521ee648

Aliases

arxiv: 1707.03533 · arxiv_version: 1707.03533v1 · doi: 10.48550/arxiv.1707.03533 · pith_short_12: 4EAVY6AA2NXC · pith_short_16: 4EAVY6AA2NXCVZKM · pith_short_8: 4EAVY6AA

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/4EAVY6AA2NXCVZKMADDCON2W4P \
  | 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: e1015c7800d36e2ae54c00c6273756e3c6dc3a1b953bef05b6057c25521ee648

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06e26f4192df900b1a1ff677c33c29e17c0ee85bde9155ddbe8997075a42b3a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-07-12T04:02:49Z",
    "title_canon_sha256": "1ea0e34ad4ec61604e638f3696d9354eeaa316e40d644aa5e193a4f1dd6b9f38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03533",
    "kind": "arxiv",
    "version": 1
  }
}