Pith Number

pith:BPBVQDXL

pith:2015:BPBVQDXLO45KUP5CUR5MFU7EOT

not attested not anchored not stored refs pending

Event-based Formalization of Safety-critical Operating System Standards: An Experience Report on ARINC 653 using Event-B

David Sanan, Yang Liu, Yongwang Zhao, Zhibin Yang

arxiv:1508.06479 v2 · 2015-08-26 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPBVQDXLO45KUP5CUR5MFU7EOT}

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	2026-05-18T01:33:26.193771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bc3580eeb773aaa3fa2a47ac2d3e474ea4844cbe8bdeb850e03667ea0484ff8

Aliases

arxiv: 1508.06479 · arxiv_version: 1508.06479v2 · doi: 10.48550/arxiv.1508.06479 · pith_short_12: BPBVQDXLO45K · pith_short_16: BPBVQDXLO45KUP5C · pith_short_8: BPBVQDXL

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/BPBVQDXLO45KUP5CUR5MFU7EOT \
  | 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: 0bc3580eeb773aaa3fa2a47ac2d3e474ea4844cbe8bdeb850e03667ea0484ff8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f88c7697ab189809260b2d530f845a214e5f3ca18b90aea61c7d454d65931df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-08-26T13:08:20Z",
    "title_canon_sha256": "5d383f6ed71020d1cc19c894af222d604da32b21ce5ed270844f36cb896f4acc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06479",
    "kind": "arxiv",
    "version": 2
  }
}