Pith Number

pith:TFKRJXTP

pith:2018:TFKRJXTPDL6BSDVPO6F763TKSL

not attested not anchored not stored refs pending

Verifying and Synthesizing Constant-Resource Implementations with Types

Jan Hoffmann, Mario Dehesa-Azuara, Matthew Fredrikson, Van Chan Ngo

arxiv:1801.01896 v1 · 2018-01-05 · cs.PL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TFKRJXTPDL6BSDVPO6F763TKSL}

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	2026-05-18T00:26:40.637455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

995514de6f1afc190eaf778bff6e6a92c9641d1744345d6d49fdb67d3112ed8d

Aliases

arxiv: 1801.01896 · arxiv_version: 1801.01896v1 · doi: 10.48550/arxiv.1801.01896 · pith_short_12: TFKRJXTPDL6B · pith_short_16: TFKRJXTPDL6BSDVP · pith_short_8: TFKRJXTP

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/TFKRJXTPDL6BSDVPO6F763TKSL \
  | 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: 995514de6f1afc190eaf778bff6e6a92c9641d1744345d6d49fdb67d3112ed8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b9787d39a901e441dac9b2f281610838094a43612b7465e27be2a2d1e892c88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-01-05T19:10:44Z",
    "title_canon_sha256": "52d4d51df729e63bf32ce58754ee8da82a38e6ce052b08ccc47e25fb1c868b95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01896",
    "kind": "arxiv",
    "version": 1
  }
}