Pith Number

pith:2RQ7ETXZ

pith:2014:2RQ7ETXZIY4H67EYWYJVGKZOSK

not attested not anchored not stored refs pending

A Review of High School Level Astronomy Student Research Projects over the last two decades

David H. McKinnon, Lena Danaia, Luisa M. Rebull, Michael T. Fitzgerald, Robert Hollow

arxiv:1407.6586 v1 · 2014-07-21 · physics.ed-ph · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2RQ7ETXZIY4H67EYWYJVGKZOSK}

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	2026-05-18T01:42:32.188605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d461f24ef946387f7c98b613532b2e92949d03d7b0e89f216e7fcbec421bcc5e

Aliases

arxiv: 1407.6586 · arxiv_version: 1407.6586v1 · doi: 10.48550/arxiv.1407.6586 · pith_short_12: 2RQ7ETXZIY4H · pith_short_16: 2RQ7ETXZIY4H67EY · pith_short_8: 2RQ7ETXZ

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/2RQ7ETXZIY4H67EYWYJVGKZOSK \
  | 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: d461f24ef946387f7c98b613532b2e92949d03d7b0e89f216e7fcbec421bcc5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca9fd894a88f10377ad01ee09f3b9fd9c7eb94f208bc451b1093d4f2f5626875",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2014-07-21T23:44:54Z",
    "title_canon_sha256": "c93e551188df8c4b298e83f205759bdc26e0a99f9f3faf5f7a43b803c5983e75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6586",
    "kind": "arxiv",
    "version": 1
  }
}