Pith Number

pith:VU63GHVS

pith:2020:VU63GHVS46PRZPDXUKYSPJATD5

not attested not anchored not stored refs pending

COBRA: Compression via Abstraction of Provenance for Hypothetical Reasoning

Daniel Deutch, Noam Rinetzky, Yuval Moskovitch

arxiv:2007.05389 v1 · 2020-07-10 · 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{VU63GHVS46PRZPDXUKYSPJATD5}

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	2026-07-05T01:17:46.110062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad3db31eb2e79f1cbc77a2b127a4131f4d689859e8c5fde1076718faa0aef8a5

Aliases

arxiv: 2007.05389 · arxiv_version: 2007.05389v1 · doi: 10.48550/arxiv.2007.05389 · pith_short_12: VU63GHVS46PR · pith_short_16: VU63GHVS46PRZPDX · pith_short_8: VU63GHVS

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/VU63GHVS46PRZPDXUKYSPJATD5 \
  | 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: ad3db31eb2e79f1cbc77a2b127a4131f4d689859e8c5fde1076718faa0aef8a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71460d770cfa73dd61fee32828242d7564d69bcc3b22e0b1cbdc8795e4d55331",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2020-07-10T13:55:09Z",
    "title_canon_sha256": "99bb40a3655c713507a67a2b928e4ff01998221a97671d9671b40910c776edce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.05389",
    "kind": "arxiv",
    "version": 1
  }
}