Pith Number

pith:4QA5QNL7

pith:2019:4QA5QNL7EWKP4TPIWYKPID5PVR

not attested not anchored not stored refs pending

Study of semi-linear $\sigma$-evolution equations with frictional and visco-elastic damping

Hironori Michihisa, Tuan Anh Dao

arxiv:1906.04471 v1 · 2019-06-11 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4QA5QNL7EWKP4TPIWYKPID5PVR}

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	2026-05-17T23:43:39.173341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e401d8357f2594fe4de8b614f40fafac70cd679195376155e3ab4879b7975404

Aliases

arxiv: 1906.04471 · arxiv_version: 1906.04471v1 · doi: 10.48550/arxiv.1906.04471 · pith_short_12: 4QA5QNL7EWKP · pith_short_16: 4QA5QNL7EWKP4TPI · pith_short_8: 4QA5QNL7

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/4QA5QNL7EWKP4TPIWYKPID5PVR \
  | 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: e401d8357f2594fe4de8b614f40fafac70cd679195376155e3ab4879b7975404

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "925e160f03d3aece2c0545e434ebbede818b59e60a13f813346a325f9f800d98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-06-11T10:04:03Z",
    "title_canon_sha256": "d3feda265922d40fdfd07eb7b76658898d6ba3eb6ac03bc237caebdae03c48e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04471",
    "kind": "arxiv",
    "version": 1
  }
}