Pith Number

pith:5HKFDDEY

pith:2017:5HKFDDEYNLOAHXQJZN4IRIE6DD

not attested not anchored not stored refs pending

Towards a better understanding of the matrix product function approximation algorithm in application to quantum physics

Moritz August, Thomas Huckle

arxiv:1709.06847 v2 · 2017-09-20 · cs.NA · physics.comp-ph · quant-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{5HKFDDEYNLOAHXQJZN4IRIE6DD}

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	2026-05-18T00:20:06.329953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9d4518c986adc03de09cb7888a09e18e56680be80c8077a50dbe559b6083981

Aliases

arxiv: 1709.06847 · arxiv_version: 1709.06847v2 · doi: 10.48550/arxiv.1709.06847 · pith_short_12: 5HKFDDEYNLOA · pith_short_16: 5HKFDDEYNLOAHXQJ · pith_short_8: 5HKFDDEY

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/5HKFDDEYNLOAHXQJZN4IRIE6DD \
  | 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: e9d4518c986adc03de09cb7888a09e18e56680be80c8077a50dbe559b6083981

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c13d1709a37cd50ea98f0d2001705e7fefab85b88618f105de96b436b4ee714",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2017-09-20T13:14:23Z",
    "title_canon_sha256": "0184515ad89589e24dfbc9e49e487806ef9fb4596866c663940317c2670b25e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06847",
    "kind": "arxiv",
    "version": 2
  }
}