Pith Number

pith:IKUEU6FM

pith:2025:IKUEU6FMBG3LVPRYERDEZ6MI3U

not attested not anchored not stored refs pending

Iterative thresholding low-rank time integration

Markus Bachmayr, Matthieu Dolbeault, Polina Sachsenmaier

arxiv:2507.15848 v1 · 2025-07-21 · math.NA · cs.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{IKUEU6FMBG3LVPRYERDEZ6MI3U}

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.

Cited by

1 paper in Pith

A space-time variational formulation for the many-body electronic Schr{\"o}dinger evolution equation

Receipt and verification

First computed	2026-07-05T11:40:45.749500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42a84a78ac09b6babe3824464cf988dd0cdb0bccbc7311b12a2a3edf09960b85

Aliases

arxiv: 2507.15848 · arxiv_version: 2507.15848v1 · doi: 10.48550/arxiv.2507.15848 · pith_short_12: IKUEU6FMBG3L · pith_short_16: IKUEU6FMBG3LVPRY · pith_short_8: IKUEU6FM

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/IKUEU6FMBG3LVPRYERDEZ6MI3U \
  | 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: 42a84a78ac09b6babe3824464cf988dd0cdb0bccbc7311b12a2a3edf09960b85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81c4c5cf81783e773ce7865edbde37c00933fcf37f42bef14f87eebf0230b887",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-07-21T17:55:23Z",
    "title_canon_sha256": "547ec2da7bd12679b9e5c97f0fdb3149d859922d09ceaddc17a611b5c03c4f04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.15848",
    "kind": "arxiv",
    "version": 1
  }
}