Pith Number

pith:FEXWGQW7

pith:2017:FEXWGQW725HT5AA4ABOGKIEHVK

not attested not anchored not stored refs pending

Practical Magick with C, PDL, and PDL::PP -- a guide to compiled add-ons for PDL

C.E. DeForest, K. Glazebrook

arxiv:1702.07753 v1 · 2017-02-24 · 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{FEXWGQW725HT5AA4ABOGKIEHVK}

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	2026-05-18T00:49:57.149961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

292f6342dfd74f3e801c005c652087aabb4682e4b9146ea114b62dc0d40f236d

Aliases

arxiv: 1702.07753 · arxiv_version: 1702.07753v1 · doi: 10.48550/arxiv.1702.07753 · pith_short_12: FEXWGQW725HT · pith_short_16: FEXWGQW725HT5AA4 · pith_short_8: FEXWGQW7

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/FEXWGQW725HT5AA4ABOGKIEHVK \
  | 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: 292f6342dfd74f3e801c005c652087aabb4682e4b9146ea114b62dc0d40f236d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9c510294be0ca557e1ca068e4d2bd5e4b425838083c16282e8c3e8eedda5eb3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2017-02-24T20:45:52Z",
    "title_canon_sha256": "efc296766639ef37050153eec1731742151a1cb38965b9b48109b9f2f1502937"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07753",
    "kind": "arxiv",
    "version": 1
  }
}