Pith Number

pith:J7JPTNWU

pith:2019:J7JPTNWUKR2IY7RRHPWLUELBUV

not attested not anchored not stored refs pending

On the Diversity of Memory and Storage Technologies

Ismail Oukid, Lucas Lersch

arxiv:1908.07431 v1 · 2019-08-20 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J7JPTNWUKR2IY7RRHPWLUELBUV}

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	2026-07-04T23:58:34.849683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fd2f9b6d454748c7e313becba1161a56b94d162489589789eeb5881fa92f22b

Aliases

arxiv: 1908.07431 · arxiv_version: 1908.07431v1 · doi: 10.48550/arxiv.1908.07431 · pith_short_12: J7JPTNWUKR2I · pith_short_16: J7JPTNWUKR2IY7RR · pith_short_8: J7JPTNWU

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/J7JPTNWUKR2IY7RRHPWLUELBUV \
  | 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: 4fd2f9b6d454748c7e313becba1161a56b94d162489589789eeb5881fa92f22b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a285c90df1a4417fc1be738af905ed8e6c86e3f098d9d2660013838d7e192ed3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-08-20T15:28:26Z",
    "title_canon_sha256": "71aa98f0f8d356cd3370754505fe41caf94c8671a7325492f3d38774780dc8c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07431",
    "kind": "arxiv",
    "version": 1
  }
}