Pith Number

pith:HMOSWUX3

pith:2018:HMOSWUX3I7KAEYPQYJHJQARWMM

not attested not anchored not stored refs pending

PCOT: Cache Oblivious Tiling of Polyhedral Programs

Nirmal Prajapati, Sanjay Rajopadhye, Tomofumi Yuki, Waruna Ranasinghe

arxiv:1802.00166 v1 · 2018-02-01 · 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{HMOSWUX3I7KAEYPQYJHJQARWMM}

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	2026-05-18T00:24:36.642300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b1d2b52fb47d40261f0c24e980236632bd92f4d8c900f8b6575e554064d405b

Aliases

arxiv: 1802.00166 · arxiv_version: 1802.00166v1 · doi: 10.48550/arxiv.1802.00166 · pith_short_12: HMOSWUX3I7KA · pith_short_16: HMOSWUX3I7KAEYPQ · pith_short_8: HMOSWUX3

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/HMOSWUX3I7KAEYPQYJHJQARWMM \
  | 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: 3b1d2b52fb47d40261f0c24e980236632bd92f4d8c900f8b6575e554064d405b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6bc8b99d8d2090030f88b5939096622c2ea2f15173b46195040ece08787409b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-02-01T05:48:31Z",
    "title_canon_sha256": "f77a43fd20f0c406b3cb89ceb00b16ae64b191c658e6b7dbdaaa45f5bc24793e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00166",
    "kind": "arxiv",
    "version": 1
  }
}