Pith Number

pith:DRSDXUVP

pith:2013:DRSDXUVPRSGLDZDRB6SKWCKD3S

not attested not anchored not stored refs pending

Certified HLints with Isabelle/HOLCF-Prelude

Brian Huffman, Christian Sternagel, Joachim Breitner, Neil Mitchell

arxiv:1306.1340 v1 · 2013-06-06 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DRSDXUVPRSGLDZDRB6SKWCKD3S}

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	2026-05-18T03:21:34.548941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c643bd2af8c8cb1e4710fa4ab0943dc974dc46f629f7090c02c103000497642

Aliases

arxiv: 1306.1340 · arxiv_version: 1306.1340v1 · doi: 10.48550/arxiv.1306.1340 · pith_short_12: DRSDXUVPRSGL · pith_short_16: DRSDXUVPRSGLDZDR · pith_short_8: DRSDXUVP

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/DRSDXUVPRSGLDZDRB6SKWCKD3S \
  | 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: 1c643bd2af8c8cb1e4710fa4ab0943dc974dc46f629f7090c02c103000497642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "158bb642c7d8ed152b5791c996fee6c8dbf142a62dc33ab80484d95c602ffb14",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-06-06T08:50:03Z",
    "title_canon_sha256": "5ff112292547e439630bbcb9c8cb13280eeee12205a027b4d5db17aba78e0ac2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1340",
    "kind": "arxiv",
    "version": 1
  }
}