Pith Number

pith:5DMFNJPD

pith:2019:5DMFNJPDINGSBIPTEHVRA5ZG6X

not attested not anchored not stored refs pending

New Features in the Second Version of the Cadabra Computer Algebra System

A. V. Korolkova, D. S. Kulyabov, L. A. Sevastianov

arxiv:1906.02599 v1 · 2019-06-06 · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5DMFNJPDINGSBIPTEHVRA5ZG6X}

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	2026-05-17T23:44:00.636159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8d856a5e3434d20a1f321eb107726f5f3f47268c0be8bca6ec474a561f9af95

Aliases

arxiv: 1906.02599 · arxiv_version: 1906.02599v1 · doi: 10.48550/arxiv.1906.02599 · pith_short_12: 5DMFNJPDINGS · pith_short_16: 5DMFNJPDINGSBIPT · pith_short_8: 5DMFNJPD

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/5DMFNJPDINGSBIPTEHVRA5ZG6X \
  | 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: e8d856a5e3434d20a1f321eb107726f5f3f47268c0be8bca6ec474a561f9af95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4c1263500dc9c1ae456fbc2503447b8b58d44aace807c41e022c90d6d541192",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2019-06-06T14:12:05Z",
    "title_canon_sha256": "7b49c847566fd8d140ff4c0d620c1e68a6656d564be279217deae4ae35e51840"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02599",
    "kind": "arxiv",
    "version": 1
  }
}