Pith Number

pith:I5YTX3XI

pith:2015:I5YTX3XIKV2H4BIY7VB7HVVHRC

not attested not anchored not stored refs pending

Reproducibility in Research: Systems, Infrastructure, Culture

Benjamin A. Hall, Samin Ishtiaq, Tom Crick

arxiv:1503.02388 v2 · 2015-03-09 · cs.SE · cs.CE · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I5YTX3XIKV2H4BIY7VB7HVVHRC}

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	2026-05-18T00:39:18.561121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47713beee855747e0518fd43f3d6a78897fe43dcc05385af382d2dea8c5ad4dc

Aliases

arxiv: 1503.02388 · arxiv_version: 1503.02388v2 · doi: 10.48550/arxiv.1503.02388 · pith_short_12: I5YTX3XIKV2H · pith_short_16: I5YTX3XIKV2H4BIY · pith_short_8: I5YTX3XI

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/I5YTX3XIKV2H4BIY7VB7HVVHRC \
  | 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: 47713beee855747e0518fd43f3d6a78897fe43dcc05385af382d2dea8c5ad4dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "299286ca9b5017f07b4634cc23254bef208ae4bd9f14b5fe404337ceec407f23",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-03-09T08:10:41Z",
    "title_canon_sha256": "3f5892dad85b5b44f883616d7e3c70e60f1301fa7faf89bf45401006faca8103"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02388",
    "kind": "arxiv",
    "version": 2
  }
}