Pith Number

pith:Q77XHWVU

pith:2014:Q77XHWVUQYB6D6D5ODPYZQWG72

not attested not anchored not stored refs pending

Time integration of tensor trains

Bart Vandereycken, Christian Lubich, Ivan Oseledets

arxiv:1407.2042 v2 · 2014-07-08 · 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{Q77XHWVUQYB6D6D5ODPYZQWG72}

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	2026-05-18T02:03:37.543387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87ff73dab48603e1f87d70df8cc2c6fe8bb12c89b71012db48500fdb4dd07c6a

Aliases

arxiv: 1407.2042 · arxiv_version: 1407.2042v2 · doi: 10.48550/arxiv.1407.2042 · pith_short_12: Q77XHWVUQYB6 · pith_short_16: Q77XHWVUQYB6D6D5 · pith_short_8: Q77XHWVU

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/Q77XHWVUQYB6D6D5ODPYZQWG72 \
  | 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: 87ff73dab48603e1f87d70df8cc2c6fe8bb12c89b71012db48500fdb4dd07c6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1a8bc54b4347e221e21026ec2509fc8042e4a3eaf4a2fb245eff18b2c10ac52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-07-08T11:37:55Z",
    "title_canon_sha256": "82ea0d727358324d420945589acb1316d40d75ed041d12900424da7d34132f8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2042",
    "kind": "arxiv",
    "version": 2
  }
}