Pith Number

pith:QAKKIEEH

pith:2019:QAKKIEEHDO5QYGPVMF3MPWLOU4

not attested not anchored not stored refs pending

SSDFS: Towards LFS Flash-Friendly File System without GC operation

Viacheslav Dubeyko

arxiv:1907.11825 v1 · 2019-07-27 · cs.OS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QAKKIEEHDO5QYGPVMF3MPWLOU4}

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	2026-05-17T23:39:22.969898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8014a410871bbb0c19f56176c7d96ea73abc3f39bb1d3a161dd831ed98fe7514

Aliases

arxiv: 1907.11825 · arxiv_version: 1907.11825v1 · doi: 10.48550/arxiv.1907.11825 · pith_short_12: QAKKIEEHDO5Q · pith_short_16: QAKKIEEHDO5QYGPV · pith_short_8: QAKKIEEH

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/QAKKIEEHDO5QYGPVMF3MPWLOU4 \
  | 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: 8014a410871bbb0c19f56176c7d96ea73abc3f39bb1d3a161dd831ed98fe7514

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de47ad9a150cd08dd37d18a361652c7e762e19d2fe5ac4e1d0d19899d1507862",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OS",
    "submitted_at": "2019-07-27T01:36:43Z",
    "title_canon_sha256": "d89e9df5b14a08bbfc36f7e26fa3e0145e2d8c4fd53237e09af72ecc49e5ec37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11825",
    "kind": "arxiv",
    "version": 1
  }
}