Pith Number

pith:SWMEI7MU

pith:2019:SWMEI7MUBJP2OZC32CBXUELTLW

not attested not anchored not stored refs pending

Sustaining Research Software: an SC18 Panel

Anshu Dubey, Daniel S. Katz, David E. Pearah, Henry J. Neeman, Neil P. Chue Hong, Patrick Aerts, Sandra Gesing

arxiv:1902.08942 v1 · 2019-02-24 · cs.SE · cs.CY · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SWMEI7MUBJP2OZC32CBXUELTLW}

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	2026-05-17T23:52:47.111527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9598447d940a5fa7645bd0837a11735db0059e5d59cbb2fcc53e789858c216a8

Aliases

arxiv: 1902.08942 · arxiv_version: 1902.08942v1 · doi: 10.48550/arxiv.1902.08942 · pith_short_12: SWMEI7MUBJP2 · pith_short_16: SWMEI7MUBJP2OZC3 · pith_short_8: SWMEI7MU

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/SWMEI7MUBJP2OZC32CBXUELTLW \
  | 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: 9598447d940a5fa7645bd0837a11735db0059e5d59cbb2fcc53e789858c216a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9e65cf9a250d72d2079e7e146042e794e5b78bd739391080686c7153dd5bb44",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.DC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-02-24T13:29:35Z",
    "title_canon_sha256": "b0e0de464770771ce231e5f3f24cc3ecf15d4e5f96eab7c080e0b09cd2fa1f9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08942",
    "kind": "arxiv",
    "version": 1
  }
}