Pith Number

pith:QW4YTPJV

pith:2011:QW4YTPJVXNWWRGXBCL5ZLKDOOB

not attested not anchored not stored refs pending

The Space Complexity of Long-lived and One-Shot Timestamp Implementations

Eduardo Pacheco, Lisa Higham, Maryam Helmi, Philipp Woelfel

arxiv:1103.5794 v2 · 2011-03-29 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QW4YTPJVXNWWRGXBCL5ZLKDOOB}

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	2026-05-18T04:05:57.749542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85b989bd35bb6d689ae112fb95a86e704d3459c47d747bd334f62c1a8317732f

Aliases

arxiv: 1103.5794 · arxiv_version: 1103.5794v2 · doi: 10.48550/arxiv.1103.5794 · pith_short_12: QW4YTPJVXNWW · pith_short_16: QW4YTPJVXNWWRGXB · pith_short_8: QW4YTPJV

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/QW4YTPJVXNWWRGXBCL5ZLKDOOB \
  | 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: 85b989bd35bb6d689ae112fb95a86e704d3459c47d747bd334f62c1a8317732f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75f5b77f23e98f5cfe3aba570093fe64ac2bf3fabfa5852a219ebcbd36cb4f17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2011-03-29T23:43:21Z",
    "title_canon_sha256": "45d50bbd2d37959b4e31c18faf953a70a24ad1f876a3621f72df39c0dbbbf040"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5794",
    "kind": "arxiv",
    "version": 2
  }
}