Pith Number

pith:L7BU74WH

pith:2015:L7BU74WHMPBUJ5M4DME7UDHUJX

not attested not anchored not stored refs pending

Peer-review Platform for Astronomy Education Activities

Edward Gomez, Linda Strubbe, Pedro Russo, Thilina Heenatigala

arxiv:1501.07116 v2 · 2015-01-28 · astro-ph.IM · 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{L7BU74WHMPBUJ5M4DME7UDHUJX}

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	2026-05-18T02:28:04.737580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fc34ff2c763c344f59c1b09fa0cf44dfcb7b5860247431ad38c92ccbce88e6f

Aliases

arxiv: 1501.07116 · arxiv_version: 1501.07116v2 · doi: 10.48550/arxiv.1501.07116 · pith_short_12: L7BU74WHMPBU · pith_short_16: L7BU74WHMPBUJ5M4 · pith_short_8: L7BU74WH

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/L7BU74WHMPBUJ5M4DME7UDHUJX \
  | 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: 5fc34ff2c763c344f59c1b09fa0cf44dfcb7b5860247431ad38c92ccbce88e6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20d48c8fd6e2ba43cee84ec39dc509926f6105c8fe7b9de84650596edb6648f9",
    "cross_cats_sorted": [
      "physics.ed-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-01-28T14:36:52Z",
    "title_canon_sha256": "6bdb7383dc7e11d3b0f50305a76248a61c28a48185f32a3b1ca95c91ba362e05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07116",
    "kind": "arxiv",
    "version": 2
  }
}