Pith Number

pith:OUCQ7XIO

pith:2018:OUCQ7XIOYBQRCB7NUVZSGC5I37

not attested not anchored not stored refs pending

FedMark: A Marketplace for Federated Data on the Web

Abraham Bernstein, Dmitry Moor, Sven Seuken, Tobias Grubenmann

arxiv:1808.06298 v1 · 2018-08-20 · 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{OUCQ7XIOYBQRCB7NUVZSGC5I37}

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	2026-05-18T00:07:45.413736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75050fdd0ec0611107eda573230ba8dff404e285d18f167bc4fae103ae9bd8ef

Aliases

arxiv: 1808.06298 · arxiv_version: 1808.06298v1 · doi: 10.48550/arxiv.1808.06298 · pith_short_12: OUCQ7XIOYBQR · pith_short_16: OUCQ7XIOYBQRCB7N · pith_short_8: OUCQ7XIO

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/OUCQ7XIOYBQRCB7NUVZSGC5I37 \
  | 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: 75050fdd0ec0611107eda573230ba8dff404e285d18f167bc4fae103ae9bd8ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44e1438ce18329fa9a8f8d7d4c649a6bd01a2c365c05841a3bb6fa6838a5ee07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2018-08-20T03:57:16Z",
    "title_canon_sha256": "aadc3a75c4fc7ca94d5489df170251a138d22c6cf8464fc783e590e13e54f3e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06298",
    "kind": "arxiv",
    "version": 1
  }
}