Pith Number

pith:IRJD2BQP

pith:2017:IRJD2BQPCCSRH7SYU7UPU2GQHT

not attested not anchored not stored refs pending

Nonlinear responses from the interaction of two progressing waves at an interface

Gunther Uhlmann, Maarten de Hoop, Yiran Wang

arxiv:1708.07578 v2 · 2017-08-25 · 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{IRJD2BQPCCSRH7SYU7UPU2GQHT}

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	2026-05-18T00:30:50.519561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44523d060f10a513fe58a7e8fa68d03cfa5dc4953014bc1f0c8b49bd691251b2

Aliases

arxiv: 1708.07578 · arxiv_version: 1708.07578v2 · doi: 10.48550/arxiv.1708.07578 · pith_short_12: IRJD2BQPCCSR · pith_short_16: IRJD2BQPCCSRH7SY · pith_short_8: IRJD2BQP

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/IRJD2BQPCCSRH7SYU7UPU2GQHT \
  | 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: 44523d060f10a513fe58a7e8fa68d03cfa5dc4953014bc1f0c8b49bd691251b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d60e773306f2ab4faff4ed8fde5e719174549fa3c20f4cf87b85aea86e4eacb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-08-25T00:09:18Z",
    "title_canon_sha256": "d179c504f65cb4b33b2df63a42e56016c81a9c51d374d49c7969e8008c419cb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07578",
    "kind": "arxiv",
    "version": 2
  }
}