Pith Number

pith:64VKFGTF

pith:2019:64VKFGTFN7255SRORZO6VT6G44

not attested not anchored not stored refs pending

Continuous time integration for changing type systems

Sebastian Franz

arxiv:1908.00728 v3 · 2019-08-02 · 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{64VKFGTFN7255SRORZO6VT6G44}

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	2026-07-05T02:04:25.963071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f72aa29a656ff5deca2e8e5deacfc6e7013c8a375c24c9630c4474652dacdfd5

Aliases

arxiv: 1908.00728 · arxiv_version: 1908.00728v3 · doi: 10.48550/arxiv.1908.00728 · pith_short_12: 64VKFGTFN725 · pith_short_16: 64VKFGTFN7255SRO · pith_short_8: 64VKFGTF

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/64VKFGTFN7255SRORZO6VT6G44 \
  | 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: f72aa29a656ff5deca2e8e5deacfc6e7013c8a375c24c9630c4474652dacdfd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dcd8d523d6041a9cd51304a5fa7e69137d47246b08e25d42954afc56d708355",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-02T07:37:42Z",
    "title_canon_sha256": "bb6167ce7072001b283b5ac8f4920c8038721dab7e6089d306145949c79c1093"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00728",
    "kind": "arxiv",
    "version": 3
  }
}