Pith Number

pith:ZJECN64V

pith:2017:ZJECN64VE2FUNJ7FVJMUY2WCES

not attested not anchored not stored refs pending

Reversible Sequences of Cardinals, Reversible Equivalence Relations, and Similar Structures

Milo\v{s} S. Kurili\'c, Nenad Mora\v{c}a

arxiv:1709.09492 v1 · 2017-09-27 · 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{ZJECN64VE2FUNJ7FVJMUY2WCES}

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	2026-05-18T00:34:11.572584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca4826fb95268b46a7e5aa594c6ac224b64033473c208825061ea5153e817e26

Aliases

arxiv: 1709.09492 · arxiv_version: 1709.09492v1 · doi: 10.48550/arxiv.1709.09492 · pith_short_12: ZJECN64VE2FU · pith_short_16: ZJECN64VE2FUNJ7F · pith_short_8: ZJECN64V

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/ZJECN64VE2FUNJ7FVJMUY2WCES \
  | 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: ca4826fb95268b46a7e5aa594c6ac224b64033473c208825061ea5153e817e26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a874eb96057489b401e26fd5daafa5d270878a013754551cb7b44563675bed4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-09-27T13:22:01Z",
    "title_canon_sha256": "4024b67f602a91b9f54f5f3332adbf85e1980dcd3fa74aa6f3f8f05a41ed78c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09492",
    "kind": "arxiv",
    "version": 1
  }
}