Pith Number

pith:NJO4RYVI

pith:2018:NJO4RYVIK76QIR5UL3MFACXMOX

not attested not anchored not stored refs pending

SOTorrent: Reconstructing and Analyzing the Evolution of Stack Overflow Posts

Christoph Treude, Lorik Dumani, Sebastian Baltes, Stephan Diehl

arxiv:1803.07311 v2 · 2018-03-20 · 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{NJO4RYVIK76QIR5UL3MFACXMOX}

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	2026-05-18T00:16:42.029799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a5dc8e2a857fd0447b45ed8500aec75f4ee76a61e61eed028f80c26c2ec5113

Aliases

arxiv: 1803.07311 · arxiv_version: 1803.07311v2 · doi: 10.48550/arxiv.1803.07311 · pith_short_12: NJO4RYVIK76Q · pith_short_16: NJO4RYVIK76QIR5U · pith_short_8: NJO4RYVI

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/NJO4RYVIK76QIR5UL3MFACXMOX \
  | 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: 6a5dc8e2a857fd0447b45ed8500aec75f4ee76a61e61eed028f80c26c2ec5113

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "766552a8273a73918af038cda1d0781305fc46efedb6f0de61f8b0fd3f5f924e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-03-20T09:09:36Z",
    "title_canon_sha256": "e93da699448263534c079c85c4799adaf65f260be3f6de790c300fc42c31321b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07311",
    "kind": "arxiv",
    "version": 2
  }
}