Pith Number

pith:A43ZNTI2

pith:2026:A43ZNTI2BY5XGVOQDCJR7XEPDC

not attested not anchored not stored refs pending

A Topological Framework for Finite Behavioural Observations and Verification

Antonis Achilleos, Vasiliki Kyriakou

arxiv:2606.23975 v1 · 2026-06-22 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A43ZNTI2BY5XGVOQDCJR7XEPDC}

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	2026-06-24T00:14:32.071576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

073796cd1a0e3b7355d018931fdc8f188f8783db0562eabd8888b0ddd218e726

Aliases

arxiv: 2606.23975 · arxiv_version: 2606.23975v1 · doi: 10.48550/arxiv.2606.23975 · pith_short_12: A43ZNTI2BY5X · pith_short_16: A43ZNTI2BY5XGVOQ · pith_short_8: A43ZNTI2

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/A43ZNTI2BY5XGVOQDCJR7XEPDC \
  | 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: 073796cd1a0e3b7355d018931fdc8f188f8783db0562eabd8888b0ddd218e726

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b236dac9ec423ee700d51e6c2ed7d7837b991ddaf3133ecbc21e8ee986511926",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-06-22T22:04:54Z",
    "title_canon_sha256": "7140c9389b052ec4ada8ba1292c0773cbff4da41b19ad273e27b6629c4091bf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23975",
    "kind": "arxiv",
    "version": 1
  }
}