Pith Number

pith:ZUTSXW5C

pith:2015:ZUTSXW5C7JV24ZHIEVF4HHCMAF

not attested not anchored not stored refs pending

Investigating Student Difficulties with Dirac Notation

Chandralekha Singh, Emily Marshman

arxiv:1510.01296 v1 · 2015-10-05 · physics.ed-ph · quant-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{ZUTSXW5C7JV24ZHIEVF4HHCMAF}

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.

Cited by

1 paper in Pith

On the representation-free formalism in quantum mechanics

Receipt and verification

First computed	2026-05-18T01:20:29.218549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd272bdba2fa6bae64e8254bc39c4c015fbe44c30c2b4843f7b55254e421d57b

Aliases

arxiv: 1510.01296 · arxiv_version: 1510.01296v1 · doi: 10.48550/arxiv.1510.01296 · pith_short_12: ZUTSXW5C7JV2 · pith_short_16: ZUTSXW5C7JV24ZHI · pith_short_8: ZUTSXW5C

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/ZUTSXW5C7JV24ZHIEVF4HHCMAF \
  | 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: cd272bdba2fa6bae64e8254bc39c4c015fbe44c30c2b4843f7b55254e421d57b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23922348fa38e293592e1abd20b4f070d97e84458a6c59252372f43312039b43",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2015-10-05T19:34:04Z",
    "title_canon_sha256": "9f216adea35024672d2b263f230224507ac4bbd04d86707527068f3b6f28015a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01296",
    "kind": "arxiv",
    "version": 1
  }
}