Pith Number

pith:MISON75U

pith:2015:MISON75UFUYUABLXCT72M6HABN

not attested not anchored not stored refs pending

Topological abstraction of higher-dimensional automata

Thomas Kahl

arxiv:1506.02270 v1 · 2015-06-07 · cs.FL · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MISON75UFUYUABLXCT72M6HABN}

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	2026-05-18T01:55:51.674548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6224e6ffb42d3140057714ffa678e00b41a0c036d6d073b23dd5632f69b7bab3

Aliases

arxiv: 1506.02270 · arxiv_version: 1506.02270v1 · doi: 10.48550/arxiv.1506.02270 · pith_short_12: MISON75UFUYU · pith_short_16: MISON75UFUYUABLX · pith_short_8: MISON75U

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/MISON75UFUYUABLXCT72M6HABN \
  | 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: 6224e6ffb42d3140057714ffa678e00b41a0c036d6d073b23dd5632f69b7bab3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a171b0d87e564815d7102fce44a776f3b0dddc4d0e44b4223126d50149f34d2e",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2015-06-07T14:34:53Z",
    "title_canon_sha256": "164b148ccb2ae6b869c5168a64512d867bd662547c0de67cce88f2378450b5c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02270",
    "kind": "arxiv",
    "version": 1
  }
}