Pith Number

pith:FX7I2ETY

pith:2019:FX7I2ETYFWUIENHJIG3JTHSVBO

not attested not anchored not stored refs pending

A Conceptual Blend Analysis of Physics Quantitative Literacy Reasoning Inventory Items

Alexis Olsho, Andrew Boudreaux, Charlotte Zimmerman, Suzanne White Brahmia, Trevor Smith

arxiv:1911.01552 v1 · 2019-11-05 · 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{FX7I2ETYFWUIENHJIG3JTHSVBO}

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	2026-07-05T00:16:52.031339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dfe8d12782da88234e941b6999e550bbabf31053fce0c9275b046a366d60507

Aliases

arxiv: 1911.01552 · arxiv_version: 1911.01552v1 · doi: 10.48550/arxiv.1911.01552 · pith_short_12: FX7I2ETYFWUI · pith_short_16: FX7I2ETYFWUIENHJ · pith_short_8: FX7I2ETY

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/FX7I2ETYFWUIENHJIG3JTHSVBO \
  | 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: 2dfe8d12782da88234e941b6999e550bbabf31053fce0c9275b046a366d60507

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46d58d9ed5b6d598e9abd608e7d09401b77949449c3aaffb2d539b0ef48d9438",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2019-11-05T00:48:30Z",
    "title_canon_sha256": "9e1dbcc2a66ce2190529ca859d512b3252102a5f965b63a3b06edcb762b01370"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.01552",
    "kind": "arxiv",
    "version": 1
  }
}