Pith Number

pith:NKABGPL6

pith:2026:NKABGPL6PBGREOHYPIWVLJFO4V

not attested not anchored not stored refs pending

Building a Custom Taxonomy of AI Skills and Tasks from the Ground Up with Job Postings

Peter Norlander, Stephen Meisenbacher

arxiv:2605.21029 v1 · 2026-05-20 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKABGPL6PBGREOHYPIWVLJFO4V}

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	2026-05-21T01:05:33.216620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a80133d7e784d1238f87a2d55a4aee558a93bd1077734a95c4e8a9c0bd42560

Aliases

arxiv: 2605.21029 · arxiv_version: 2605.21029v1 · doi: 10.48550/arxiv.2605.21029 · pith_short_12: NKABGPL6PBGR · pith_short_16: NKABGPL6PBGREOHY · pith_short_8: NKABGPL6

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/NKABGPL6PBGREOHYPIWVLJFO4V \
  | 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: 6a80133d7e784d1238f87a2d55a4aee558a93bd1077734a95c4e8a9c0bd42560

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0152688e1b3882af1972760e821fd810e89a3dc14916a8ac0494301fc558476",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-20T11:01:49Z",
    "title_canon_sha256": "61abf788e2967b5a4e97d8bf54a08caf332478371db9f0cad35933d1e904c860"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21029",
    "kind": "arxiv",
    "version": 1
  }
}