Pith Number

pith:7DA6RRGW

pith:2018:7DA6RRGWJMH4U4OA64GHYPN3YD

not attested not anchored not stored refs pending

On homogenization of the first initial-boundary value problem for periodic hyperbolic systems

Yulia Meshkova

arxiv:1807.03634 v2 · 2018-07-08 · 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{7DA6RRGWJMH4U4OA64GHYPN3YD}

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	2026-05-17T23:46:30.224251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8c1e8c4d64b0fca71c0f70c7c3dbbc0dee86f3756863fb151230b50c6cf917d

Aliases

arxiv: 1807.03634 · arxiv_version: 1807.03634v2 · doi: 10.48550/arxiv.1807.03634 · pith_short_12: 7DA6RRGWJMH4 · pith_short_16: 7DA6RRGWJMH4U4OA · pith_short_8: 7DA6RRGW

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/7DA6RRGWJMH4U4OA64GHYPN3YD \
  | 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: f8c1e8c4d64b0fca71c0f70c7c3dbbc0dee86f3756863fb151230b50c6cf917d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a07547e2b641996f9d51cdb2c5a6541f7ec2491525fd856a9d87699164b160e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-07-08T01:07:51Z",
    "title_canon_sha256": "758cfd5196cac0856ffa6c0344117b43372d0b4d269f21d89a686f98525f1a5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03634",
    "kind": "arxiv",
    "version": 2
  }
}