Pith Number

pith:VBSQX4HF

pith:2013:VBSQX4HFJH5EDNXY4F3K2YVGZJ

not attested not anchored not stored refs pending

The operad of temporal wiring diagrams: formalizing a graphical language for discrete-time processes

David I. Spivak, Dylan Rupel

arxiv:1307.6894 v1 · 2013-07-25 · math.CT · cs.PL · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VBSQX4HFJH5EDNXY4F3K2YVGZJ}

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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.

Cited by

2 papers in Pith

Compositionality of Lyapunov functions via assume-guarantee reasoning

Kleisli semantics and hypergraph composition for Greimasian narrative programs

Receipt and verification

First computed	2026-05-18T03:17:33.501976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8650bf0e549fa41b6f8e176ad62a6ca655e72e77f1b86b98e3cc11d57accba3

Aliases

arxiv: 1307.6894 · arxiv_version: 1307.6894v1 · doi: 10.48550/arxiv.1307.6894 · pith_short_12: VBSQX4HFJH5E · pith_short_16: VBSQX4HFJH5EDNXY · pith_short_8: VBSQX4HF

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/VBSQX4HFJH5EDNXY4F3K2YVGZJ \
  | 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: a8650bf0e549fa41b6f8e176ad62a6ca655e72e77f1b86b98e3cc11d57accba3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88ae4a4ae4fa7bae90f23c0ee03ac5ae713684875b26aa4fed2f0beb9d9f1aba",
    "cross_cats_sorted": [
      "cs.PL",
      "q-bio.NC"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2013-07-25T23:33:24Z",
    "title_canon_sha256": "58357f6a24b2a1ffcba73be4d10f2662ebc67c4357a0e553cb6c6cce6f396a03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6894",
    "kind": "arxiv",
    "version": 1
  }
}