Pith Number

pith:SDQP75I3

pith:2017:SDQP75I32EYOQ4QWHPSXDBXJ6W

not attested not anchored not stored refs pending

The time-dependent Schr\"odinger equation with piecewise constant potentials

Bernard Deconinck, Natalie E Sheils

arxiv:1709.02450 v2 · 2017-09-07 · 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{SDQP75I32EYOQ4QWHPSXDBXJ6W}

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	2026-05-18T00:12:06.256891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90e0fff51bd130e872163be57186e9f59f5de67291e0cb5a0d8038283d65c0dd

Aliases

arxiv: 1709.02450 · arxiv_version: 1709.02450v2 · doi: 10.48550/arxiv.1709.02450 · pith_short_12: SDQP75I32EYO · pith_short_16: SDQP75I32EYOQ4QW · pith_short_8: SDQP75I3

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/SDQP75I32EYOQ4QWHPSXDBXJ6W \
  | 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: 90e0fff51bd130e872163be57186e9f59f5de67291e0cb5a0d8038283d65c0dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4627de1975d71c77f76dac9246df0e617e5234495cfb480a925835ff0522797f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-09-07T20:58:15Z",
    "title_canon_sha256": "ae25efd26282faa035d99d431f305a4abdc644537955eb8ce805bbad76823eeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02450",
    "kind": "arxiv",
    "version": 2
  }
}