Pith Number

pith:P2IRFJRE

pith:2014:P2IRFJREKKBBSPPJTMSZAKKGA2

not attested not anchored not stored refs pending

21st Century Ergonomic Education, From Little e to Big E

Constance K. Barsky, Stanislaw D. Glazek

arxiv:1403.0281 v1 · 2014-03-03 · physics.ed-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2IRFJREKKBBSPPJTMSZAKKGA2}

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	2026-05-18T02:57:25.275707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e9112a6245282193de99b2590294606a34ebfe26927f234f8b9bbd213028f7a

Aliases

arxiv: 1403.0281 · arxiv_version: 1403.0281v1 · doi: 10.48550/arxiv.1403.0281 · pith_short_12: P2IRFJREKKBB · pith_short_16: P2IRFJREKKBBSPPJ · pith_short_8: P2IRFJRE

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/P2IRFJREKKBBSPPJTMSZAKKGA2 \
  | 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: 7e9112a6245282193de99b2590294606a34ebfe26927f234f8b9bbd213028f7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "368305e0388729192cd5957262a716ffaba8e307d6cc1511c1b6eb1a4939f669",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2014-03-03T00:23:59Z",
    "title_canon_sha256": "2eba98f81fc209fc91ed91a35ef6c379b7c8823d0cbb2651278be146e4a5f78b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0281",
    "kind": "arxiv",
    "version": 1
  }
}