Pith Number

pith:HS2X6N4V

pith:2018:HS2X6N4VLFXDDQEHV2D4LZTFVX

not attested not anchored not stored refs pending

I/O Logic in HOL --- First Steps

Christoph Benzm\"uller, Xavier Parent

arxiv:1803.09681 v2 · 2018-03-26 · cs.AI · cs.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{HS2X6N4VLFXDDQEHV2D4LZTFVX}

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	2026-05-18T00:18:03.697644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cb57f3795596e31c087ae87c5e665adf4e8377e351b782797575d275bd8dac0

Aliases

arxiv: 1803.09681 · arxiv_version: 1803.09681v2 · doi: 10.48550/arxiv.1803.09681 · pith_short_12: HS2X6N4VLFXD · pith_short_16: HS2X6N4VLFXDDQEH · pith_short_8: HS2X6N4V

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/HS2X6N4VLFXDDQEHV2D4LZTFVX \
  | 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: 3cb57f3795596e31c087ae87c5e665adf4e8377e351b782797575d275bd8dac0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cc11d5269ed279429bf21a6f7f6290612acdcb2fb271200889593d680a80a36",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-03-26T15:53:31Z",
    "title_canon_sha256": "fa520190371fb088c851632a528c4bedfb523ec88518bdd74d8ebab05f83eba8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09681",
    "kind": "arxiv",
    "version": 2
  }
}