Pith Number

pith:7BJG2SNR

pith:2016:7BJG2SNR6LWENCE6QU2LOQJ2WL

not attested not anchored not stored refs pending

Grounded Fixpoints and Active Integrity Constraints

Lu\'is Cruz-Filipe

arxiv:1607.05412 v1 · 2016-07-19 · 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{7BJG2SNR6LWENCE6QU2LOQJ2WL}

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	2026-05-18T00:38:31.250225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8526d49b1f2ec46889e8534b7413ab2e58899b283f5f46ec7f8482cea36ed5d

Aliases

arxiv: 1607.05412 · arxiv_version: 1607.05412v1 · doi: 10.48550/arxiv.1607.05412 · pith_short_12: 7BJG2SNR6LWE · pith_short_16: 7BJG2SNR6LWENCE6 · pith_short_8: 7BJG2SNR

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/7BJG2SNR6LWENCE6QU2LOQJ2WL \
  | 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: f8526d49b1f2ec46889e8534b7413ab2e58899b283f5f46ec7f8482cea36ed5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "845cb5fe49b578b99e5ca0d722d168120fa4a4316825447c8258a45f732ecb2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2016-07-19T05:57:05Z",
    "title_canon_sha256": "2f1c0fcdbc75e9ec860c1e2f6bb0442ae1a3111006ddb1827b433680270fdf74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.05412",
    "kind": "arxiv",
    "version": 1
  }
}