Pith Number

pith:MK72P67Y

pith:2021:MK72P67YJIIYHMESR7YAYT6X6Y

not attested not anchored not stored refs pending

Quantitative Verification with Adaptive Uncertainty Reduction

Colin Paterson, Naif Alasmari, Radu Calinescu, Raffaela Mirandola

arxiv:2109.02984 v2 · 2021-09-07 · 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{MK72P67YJIIYHMESR7YAYT6X6Y}

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	2026-07-05T03:58:34.874285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62bfa7fbf84a1183b0928ff00c4fd7f61bbf462a37f13c4daf75328c76594c84

Aliases

arxiv: 2109.02984 · arxiv_version: 2109.02984v2 · doi: 10.48550/arxiv.2109.02984 · pith_short_12: MK72P67YJIIY · pith_short_16: MK72P67YJIIYHMES · pith_short_8: MK72P67Y

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/MK72P67YJIIYHMESR7YAYT6X6Y \
  | 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: 62bfa7fbf84a1183b0928ff00c4fd7f61bbf462a37f13c4daf75328c76594c84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8400fa884166cec866dc39bfac1eedea2e64214e1c1befc6c8d955f702dd5b51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-09-07T10:41:02Z",
    "title_canon_sha256": "776c0dcf0e672b2e7e652b407545fedbdb5b2fa422cc863287b4cd83658de4d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.02984",
    "kind": "arxiv",
    "version": 2
  }
}