Pith Number

pith:KOGDJT23

pith:2019:KOGDJT23MN6QZLX26TNFN3CV4K

not attested not anchored not stored refs pending

Triple singularities of elastic wave propagation in anisotropic media

Vladimir Grechka

arxiv:1907.04314 v2 · 2019-07-09 · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KOGDJT23MN6QZLX26TNFN3CV4K}

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	2026-05-17T23:40:43.089476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

538c34cf5b637d0caefaf4da56ec55e28671603f2fd5901896cf2b3c1ad6eef8

Aliases

arxiv: 1907.04314 · arxiv_version: 1907.04314v2 · doi: 10.48550/arxiv.1907.04314 · pith_short_12: KOGDJT23MN6Q · pith_short_16: KOGDJT23MN6QZLX2 · pith_short_8: KOGDJT23

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/KOGDJT23MN6QZLX26TNFN3CV4K \
  | 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: 538c34cf5b637d0caefaf4da56ec55e28671603f2fd5901896cf2b3c1ad6eef8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca34239dfc5e89f9289feb98c92aeebf1bf073e64d68c4f3b76a4001aa796a3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2019-07-09T17:54:17Z",
    "title_canon_sha256": "cbafd7ba89c01b727abe4fb70f94b8c2c8dfacbc405870dad813c689fe77176b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04314",
    "kind": "arxiv",
    "version": 2
  }
}