Pith Number

pith:DWKDQUFT

pith:2010:DWKDQUFTDUUFOTNH6FYRXRUFNC

not attested not anchored not stored refs pending

Students' Consistency of Graphical Vector Addition Method on 2-D Vector Addition Tasks

Jeffrey M. Hawkins, John R. Thompson, Michael Wittmann

arxiv:1008.4601 v1 · 2010-08-26 · 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{DWKDQUFTDUUFOTNH6FYRXRUFNC}

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	2026-05-18T04:41:44.629141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d943850b31d28574da7f1711bc6856886477d04e3e93af43749aa38a03ddfd7

Aliases

arxiv: 1008.4601 · arxiv_version: 1008.4601v1 · doi: 10.48550/arxiv.1008.4601 · pith_short_12: DWKDQUFTDUUF · pith_short_16: DWKDQUFTDUUFOTNH · pith_short_8: DWKDQUFT

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/DWKDQUFTDUUFOTNH6FYRXRUFNC \
  | 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: 1d943850b31d28574da7f1711bc6856886477d04e3e93af43749aa38a03ddfd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d80e7618b818efda14946caabb4a0dbeec45f0a472c19f1ef5ba4b8c85584188",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2010-08-26T21:12:34Z",
    "title_canon_sha256": "d1fc305f7009a54db010c1cd53b6507565d57187fd084dc8406d27667a380b6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4601",
    "kind": "arxiv",
    "version": 1
  }
}