Pith Number

pith:ZISNIT2C

pith:2018:ZISNIT2C7IGYVAIDIYSYUFKFMO

not attested not anchored not stored refs pending

An Ultra-Weak Discontinuous Galerkin Method for Schr\"odinger Equation in One Dimension

Anqi Chen, Fengyan Li, Yingda Cheng

arxiv:1801.05875 v1 · 2018-01-17 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZISNIT2C7IGYVAIDIYSYUFKFMO}

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	2026-05-18T00:25:36.339993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca24d44f42fa0d8a810346258a154563ae3f9b58863ce19a09e83da6b734c78d

Aliases

arxiv: 1801.05875 · arxiv_version: 1801.05875v1 · doi: 10.48550/arxiv.1801.05875 · pith_short_12: ZISNIT2C7IGY · pith_short_16: ZISNIT2C7IGYVAID · pith_short_8: ZISNIT2C

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/ZISNIT2C7IGYVAIDIYSYUFKFMO \
  | 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: ca24d44f42fa0d8a810346258a154563ae3f9b58863ce19a09e83da6b734c78d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2cb9d4909fb29faa44a569bf23fe255c67a1890b7aa77a4ccf8b3a50552ca81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-17T22:17:26Z",
    "title_canon_sha256": "1a1c03d34bf22d981b9c5012df1f6d0595cd1e42ce265b62277d5aa0642caddc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05875",
    "kind": "arxiv",
    "version": 1
  }
}