Pith Number

pith:ISPZALQI

pith:2015:ISPZALQI5E3GT6FGSL4ANAULJU

not attested not anchored not stored refs pending

Towards the Automated Generation of Focused Proof Systems

Giselle Reis, Leonardo Lima, Vivek Nigam

arxiv:1511.04177 v1 · 2015-11-13 · 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{ISPZALQI5E3GT6FGSL4ANAULJU}

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	2026-05-18T01:26:59.477626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

449f902e08e93669f8a692f806828b4d1bfc18c01ad0aa076c53c8556cc68d2f

Aliases

arxiv: 1511.04177 · arxiv_version: 1511.04177v1 · doi: 10.48550/arxiv.1511.04177 · pith_short_12: ISPZALQI5E3G · pith_short_16: ISPZALQI5E3GT6FG · pith_short_8: ISPZALQI

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/ISPZALQI5E3GT6FGSL4ANAULJU \
  | 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: 449f902e08e93669f8a692f806828b4d1bfc18c01ad0aa076c53c8556cc68d2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa4a41a484eb070ad6c8df84a9029feb93f708be722edc72029edfcfffb9b984",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-11-13T06:34:12Z",
    "title_canon_sha256": "ac7346e0b5fd0409d399e53e6f47f83dafb68ac7bbd3a761ef784988fb25eff7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04177",
    "kind": "arxiv",
    "version": 1
  }
}