Pith Number

pith:UDWI72SN

pith:2018:UDWI72SNFA4652XT53EJCTQKTF

not attested not anchored not stored refs pending

Proceedings Sixth Workshop on Trends in Functional Programming in Education

Simon Thompson

arxiv:1805.04255 v1 · 2018-05-11 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDWI72SNFA4652XT53EJCTQKTF}

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	2026-05-18T00:16:13.048356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0ec8fea4d2839eeeaf3eec8914e0a9940b5b5d37872d089d221d8204b8016db

Aliases

arxiv: 1805.04255 · arxiv_version: 1805.04255v1 · doi: 10.48550/arxiv.1805.04255 · pith_short_12: UDWI72SNFA46 · pith_short_16: UDWI72SNFA4652XT · pith_short_8: UDWI72SN

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/UDWI72SNFA4652XT53EJCTQKTF \
  | 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: a0ec8fea4d2839eeeaf3eec8914e0a9940b5b5d37872d089d221d8204b8016db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0d0f4f6025c1d10aaa693678b21902d42b3cb58df195edc842a5c024aeca849",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-05-11T07:08:11Z",
    "title_canon_sha256": "69413096384fcd3c58c09dc4f16a7bab1ab6332851c509c255e6229fbc78a543"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04255",
    "kind": "arxiv",
    "version": 1
  }
}