Pith Number

pith:HX3FR3DK

pith:2016:HX3FR3DK75IYW6PTOIOHRGUBUN

not attested not anchored not stored refs pending

Software Assumptions Failure Tolerance: Role, Strategies, and Visions

Vincenzo De Florio

arxiv:1605.02040 v1 · 2016-04-11 · 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{HX3FR3DK75IYW6PTOIOHRGUBUN}

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	2026-05-18T01:15:30.510053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3df658ec6aff518b79f3721c789a81a34cf98ae485eb5d9977f8e15cd4d86ec5

Aliases

arxiv: 1605.02040 · arxiv_version: 1605.02040v1 · doi: 10.48550/arxiv.1605.02040 · pith_short_12: HX3FR3DK75IY · pith_short_16: HX3FR3DK75IYW6PT · pith_short_8: HX3FR3DK

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/HX3FR3DK75IYW6PTOIOHRGUBUN \
  | 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: 3df658ec6aff518b79f3721c789a81a34cf98ae485eb5d9977f8e15cd4d86ec5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea116a82e9828bea7188d98fec595ccfea8f7b4d6a49a0906eed5341a0ab4978",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2016-04-11T12:42:36Z",
    "title_canon_sha256": "2dbb2b92ed5140191781d30bf20bb24a2c4e4c934ec50afe215858b94c6ef0ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02040",
    "kind": "arxiv",
    "version": 1
  }
}