Pith Number

pith:ENL3PLXK

pith:2019:ENL3PLXKECL6FIGLEKCE3MQY43

not attested not anchored not stored refs pending

New Directions in International Masterclasses

Kenneth Cecire, Richard Dower

arxiv:1910.00522 v1 · 2019-10-01 · 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{ENL3PLXKECL6FIGLEKCE3MQY43}

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	2026-07-05T00:08:46.607722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2357b7aeea2097e2a0cb22844db218e6de6edda1c4b1fad738b2b91b946fcdb6

Aliases

arxiv: 1910.00522 · arxiv_version: 1910.00522v1 · doi: 10.48550/arxiv.1910.00522 · pith_short_12: ENL3PLXKECL6 · pith_short_16: ENL3PLXKECL6FIGL · pith_short_8: ENL3PLXK

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/ENL3PLXKECL6FIGLEKCE3MQY43 \
  | 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: 2357b7aeea2097e2a0cb22844db218e6de6edda1c4b1fad738b2b91b946fcdb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8592f891efb7736bf918390bbc0205c49400ea9133538c052ee813c4ad1e401",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2019-10-01T16:23:28Z",
    "title_canon_sha256": "4c8e91ce813cfb6ca612551d672fdfb39586a1027592bd54743742e5fc7e8c68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.00522",
    "kind": "arxiv",
    "version": 1
  }
}