Pith Number

pith:QSD2AB72

pith:2017:QSD2AB72P6EGH5XWDSOZPTXUAF

not attested not anchored not stored refs pending

Compositions of Functions and Permutations Specified by Minimal Reaction Systems

Wen Chean Teh

arxiv:1707.01344 v1 · 2017-07-04 · cs.FL · math.CO · q-bio.MN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QSD2AB72P6EGH5XWDSOZPTXUAF}

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	2026-05-18T00:40:53.058201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8487a007fa7f8863f6f61c9d97cef401674345183f3513e77a64364db0821fb2

Aliases

arxiv: 1707.01344 · arxiv_version: 1707.01344v1 · doi: 10.48550/arxiv.1707.01344 · pith_short_12: QSD2AB72P6EG · pith_short_16: QSD2AB72P6EGH5XW · pith_short_8: QSD2AB72

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/QSD2AB72P6EGH5XWDSOZPTXUAF \
  | 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: 8487a007fa7f8863f6f61c9d97cef401674345183f3513e77a64364db0821fb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccce0c037dfe1561336ee6f1b86c044aeffd0394efe2515d8dfb93b209df72fb",
    "cross_cats_sorted": [
      "math.CO",
      "q-bio.MN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2017-07-04T02:53:52Z",
    "title_canon_sha256": "e888348ada3ffdc143795f82f26801e87a7f03f68cd35b721cd4939724ffde38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01344",
    "kind": "arxiv",
    "version": 1
  }
}