Pith Number

pith:7ADMB4F4

pith:2017:7ADMB4F4QW2OHJWWOSO2533HFM

not attested not anchored not stored refs pending

Cut-eliminability in second order logic calculi

Toshiyasu Arai

arxiv:1701.00929 v1 · 2017-01-04 · 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{7ADMB4F4QW2OHJWWOSO2533HFM}

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	2026-05-18T00:53:21.873823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f806c0f0bc85b4e3a6d6749daeef672b2c84e9c14532e222a9d4b91930ae9cee

Aliases

arxiv: 1701.00929 · arxiv_version: 1701.00929v1 · doi: 10.48550/arxiv.1701.00929 · pith_short_12: 7ADMB4F4QW2O · pith_short_16: 7ADMB4F4QW2OHJWW · pith_short_8: 7ADMB4F4

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/7ADMB4F4QW2OHJWWOSO2533HFM \
  | 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: f806c0f0bc85b4e3a6d6749daeef672b2c84e9c14532e222a9d4b91930ae9cee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d530f5ee412a2197042c694ed6401ea70b3c56185e09ea071b0274646ff8b7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-01-04T08:21:36Z",
    "title_canon_sha256": "11b159ef0595f11f6d9012731c25fab5b987e7912c8c659e193b79e7806c1ff5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00929",
    "kind": "arxiv",
    "version": 1
  }
}