Pith Number

pith:L3FMZ7SC

pith:2015:L3FMZ7SCCXUR7BM3J5RFESOERK

not attested not anchored not stored refs pending

Identity statuses in upper-division physics students

Eleanor C. Sayre, Paul W. Irving

arxiv:1505.07801 v1 · 2015-05-28 · 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{L3FMZ7SCCXUR7BM3J5RFESOERK}

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	2026-05-18T02:00:55.807805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ecaccfe4215e91f859b4f625249c48aacf33f4a507d9f809c0f0131b5286b4a

Aliases

arxiv: 1505.07801 · arxiv_version: 1505.07801v1 · doi: 10.48550/arxiv.1505.07801 · pith_short_12: L3FMZ7SCCXUR · pith_short_16: L3FMZ7SCCXUR7BM3 · pith_short_8: L3FMZ7SC

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/L3FMZ7SCCXUR7BM3J5RFESOERK \
  | 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: 5ecaccfe4215e91f859b4f625249c48aacf33f4a507d9f809c0f0131b5286b4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01884108f3ef525cf13a0c6d30415693bb43dff9911bfa2c02d30dcdd5953f98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2015-05-28T19:03:31Z",
    "title_canon_sha256": "2a8e70bc6e1137d936672f4e151ad424220addf17c00277eea7a0028ecc86483"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07801",
    "kind": "arxiv",
    "version": 1
  }
}