Pith Number

pith:TUYRVJQW

pith:2021:TUYRVJQW3CU2455SCCCALZZSYJ

not attested not anchored not stored refs pending

Mutual Interpretability of Weak Essentially Undecidable Theories

Zlatan Damnjanovic

arxiv:2104.07202 v1 · 2021-04-15 · math.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{TUYRVJQW3CU2455SCCCALZZSYJ}

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	2026-07-05T02:32:18.990900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d311aa616d8a9ae77b2108405e732c259fabad2700df06e0f6ed80cb2b6ce4a

Aliases

arxiv: 2104.07202 · arxiv_version: 2104.07202v1 · doi: 10.48550/arxiv.2104.07202 · pith_short_12: TUYRVJQW3CU2 · pith_short_16: TUYRVJQW3CU2455S · pith_short_8: TUYRVJQW

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/TUYRVJQW3CU2455SCCCALZZSYJ \
  | 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: 9d311aa616d8a9ae77b2108405e732c259fabad2700df06e0f6ed80cb2b6ce4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07d0e55e8b0bfa302bf6e5ffb881f08b2eb8bff4a341e50db290f3ced568e5eb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2021-04-15T02:31:05Z",
    "title_canon_sha256": "5fff42e33f7cd970162b5382e2aad94d0b0dcfc6349182bd3b88ea5130c55e67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07202",
    "kind": "arxiv",
    "version": 1
  }
}