Pith Number

pith:65XTRBKP

pith:2017:65XTRBKPRBGNDEV47HKFVNHK6Q

not attested not anchored not stored refs pending

VMEXT: A Visualization Tool for Mathematical Expression Trees

Bela Gipp, Howard S. Cohl, Moritz Schubotz, Norman Meuschke, Thomas Hepp

arxiv:1707.03540 v1 · 2017-07-12 · cs.HC · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{65XTRBKPRBGNDEV47HKFVNHK6Q}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:18:36.178787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f76f38854f884cd192bcf9d45ab4eaf40e546333b32184c2ae0cfa7ab9d54e6c

Aliases

arxiv: 1707.03540 · arxiv_version: 1707.03540v1 · doi: 10.48550/arxiv.1707.03540 · pith_short_12: 65XTRBKPRBGN · pith_short_16: 65XTRBKPRBGNDEV4 · pith_short_8: 65XTRBKP

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/65XTRBKPRBGNDEV47HKFVNHK6Q \
  | 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: f76f38854f884cd192bcf9d45ab4eaf40e546333b32184c2ae0cfa7ab9d54e6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0f81dde85cc2ea5ce99929a17609281927f1ac428b618e8a7b1eebcec2a39fe",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2017-07-12T04:57:45Z",
    "title_canon_sha256": "a8c91b12a357ef0de60ea54270ee7a416b59ae0512e2d0a134dc56a05f07cac2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03540",
    "kind": "arxiv",
    "version": 1
  }
}