Pith Number

pith:H4NYJKAW

pith:2018:H4NYJKAW3LWFJMCBLSACE6MM64

not attested not anchored not stored refs pending

Computing Environments for Reproducibility: Capturing the "Whole Tale"

Adam Brinckman, Bertram Lud\"ascher, Bryce D. Mecum, Ian J. Taylor, Jarek Nabrzyski, Kacper Kowalik, Kandace Turner, Kyle Chard, Matthew B. Jones, Matthew J. Turk, Mihael Hategan, Niall Gaffney, Sivakumar Kulasekaran, Victoria Stodden

arxiv:1805.00400 v1 · 2018-05-01 · 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{H4NYJKAW3LWFJMCBLSACE6MM64}

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	2026-05-18T00:17:02.606174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f1b84a816daec54b0415c8022798cf73f113475322c156d5346cfe94f84fcba

Aliases

arxiv: 1805.00400 · arxiv_version: 1805.00400v1 · doi: 10.48550/arxiv.1805.00400 · pith_short_12: H4NYJKAW3LWF · pith_short_16: H4NYJKAW3LWFJMCB · pith_short_8: H4NYJKAW

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/H4NYJKAW3LWFJMCBLSACE6MM64 \
  | 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: 3f1b84a816daec54b0415c8022798cf73f113475322c156d5346cfe94f84fcba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1feee6911272af6a31bca57699e747554dd365043c5b8fd2939138bf94adcc4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-05-01T15:32:39Z",
    "title_canon_sha256": "8a9f2551346db5fad7451bd8b05820b765216e37883cdd83b41940f25990ef0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00400",
    "kind": "arxiv",
    "version": 1
  }
}