Pith Number

pith:ZBTE3VHX

pith:2018:ZBTE3VHXJDZTFQFUCD7WC5S4HO

not attested not anchored not stored refs pending

Pseudosaturation and the Interpretability Orders

Douglas Ulrich

arxiv:1811.05448 v1 · 2018-11-13 · 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{ZBTE3VHXJDZTFQFUCD7WC5S4HO}

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	2026-05-18T00:00:46.128456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8664dd4f748f332c0b410ff61765c3b805f3f8400d6c8dc6f9f5dee106e1791

Aliases

arxiv: 1811.05448 · arxiv_version: 1811.05448v1 · doi: 10.48550/arxiv.1811.05448 · pith_short_12: ZBTE3VHXJDZT · pith_short_16: ZBTE3VHXJDZTFQFU · pith_short_8: ZBTE3VHX

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/ZBTE3VHXJDZTFQFUCD7WC5S4HO \
  | 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: c8664dd4f748f332c0b410ff61765c3b805f3f8400d6c8dc6f9f5dee106e1791

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6aef23307ff1f3c4f4b9c2d8393d343de220fda41b96459e229148e928dc112",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-11-13T18:35:44Z",
    "title_canon_sha256": "8b2cc8f883f7658a830e85011fd87353715895d4e21e5d9e1c555d9453694bff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05448",
    "kind": "arxiv",
    "version": 1
  }
}