Pith Number

pith:VKGLQO2L

pith:2017:VKGLQO2LKV6F7CCJEPQTUQHYPK

not attested not anchored not stored refs pending

Seamless Requirements

Alexandr Naumchev, Bertrand Meyer

arxiv:1704.04189 v1 · 2017-04-13 · 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{VKGLQO2LKV6F7CCJEPQTUQHYPK}

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	2026-05-18T00:46:22.892033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa8cb83b4b557c5f884923e13a40f87abc2d0bbbf95c407b1139c5cd8b07f73c

Aliases

arxiv: 1704.04189 · arxiv_version: 1704.04189v1 · doi: 10.48550/arxiv.1704.04189 · pith_short_12: VKGLQO2LKV6F · pith_short_16: VKGLQO2LKV6F7CCJ · pith_short_8: VKGLQO2L

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/VKGLQO2LKV6F7CCJEPQTUQHYPK \
  | 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: aa8cb83b4b557c5f884923e13a40f87abc2d0bbbf95c407b1139c5cd8b07f73c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b29728daa724b0061f62b1306586d74a18b712882e3372677c510b090b7d52a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-04-13T15:58:52Z",
    "title_canon_sha256": "248531d89f96eb59f43ee868a2eba7c2dc05bc3f5eddbe685897e5621bc82c7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04189",
    "kind": "arxiv",
    "version": 1
  }
}