Pith Number

pith:6YTIQ5AG

pith:2013:6YTIQ5AGQFEY6INUSL4OCPCEW5

not attested not anchored not stored refs pending

Physics as a Mechanism for Including ELLs in Classroom Discourse

Enrique Suarez, Valerie Otero

arxiv:1307.3613 v2 · 2013-07-13 · 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{6YTIQ5AGQFEY6INUSL4OCPCEW5}

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	2026-05-18T03:13:21.246058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f62688740681498f21b492f8e13c44b74534a6678bbc676a7f9abf7c36fd47bc

Aliases

arxiv: 1307.3613 · arxiv_version: 1307.3613v2 · doi: 10.48550/arxiv.1307.3613 · pith_short_12: 6YTIQ5AGQFEY · pith_short_16: 6YTIQ5AGQFEY6INU · pith_short_8: 6YTIQ5AG

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/6YTIQ5AGQFEY6INUSL4OCPCEW5 \
  | 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: f62688740681498f21b492f8e13c44b74534a6678bbc676a7f9abf7c36fd47bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "964893b176fe66aacfcdfe39b30e258577ee70cb2ba470ac6064d47a7557ff8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2013-07-13T05:58:40Z",
    "title_canon_sha256": "03548689d4d49c76f5b7a7ce3ac86338dbe5a78363383468dac7b2388685741c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3613",
    "kind": "arxiv",
    "version": 2
  }
}