Pith Number

pith:M7KSSKHP

pith:2018:M7KSSKHPJQH2OANSEOIEIKDN6X

not attested not anchored not stored refs pending

First order logic without equality on relativized semantics

Amitayu Banerjee, Mohamed Khaled

arxiv:1807.00690 v1 · 2018-06-29 · 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{M7KSSKHPJQH2OANSEOIEIKDN6X}

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	2026-05-18T00:11:51.771722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67d52928ef4c0fa701b2239044286df5ee8e0ecc3c9121f703936fe15dc36554

Aliases

arxiv: 1807.00690 · arxiv_version: 1807.00690v1 · doi: 10.48550/arxiv.1807.00690 · pith_short_12: M7KSSKHPJQH2 · pith_short_16: M7KSSKHPJQH2OANS · pith_short_8: M7KSSKHP

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/M7KSSKHPJQH2OANSEOIEIKDN6X \
  | 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: 67d52928ef4c0fa701b2239044286df5ee8e0ecc3c9121f703936fe15dc36554

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adb6949066e7833762ee502f8eb7f2c6d6ff6d2f354f73d5bb18075cd1ff57c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-06-29T13:04:23Z",
    "title_canon_sha256": "ab5ae089b0f42472acf391017e1ff72076643c43fc484e928725d1a056ff19d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00690",
    "kind": "arxiv",
    "version": 1
  }
}