Pith Number

pith:GEKZIDME

pith:2013:GEKZIDMEZ7G5OFO27R44SHUJPE

not attested not anchored not stored refs pending

A New Approach to Developing Interactive Software Modules through Graduate Education

Alyssa A. Goodman (Harvard University), Chris Faesi, Nathan E. Sanders

arxiv:1308.1908 v2 · 2013-08-08 · 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{GEKZIDMEZ7G5OFO27R44SHUJPE}

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	2026-05-18T01:48:22.155291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3115940d84cfcdd715dafc79c91e8979103eb2690b9de38a2522645a2bea62b2

Aliases

arxiv: 1308.1908 · arxiv_version: 1308.1908v2 · doi: 10.48550/arxiv.1308.1908 · pith_short_12: GEKZIDMEZ7G5 · pith_short_16: GEKZIDMEZ7G5OFO2 · pith_short_8: GEKZIDME

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/GEKZIDMEZ7G5OFO27R44SHUJPE \
  | 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: 3115940d84cfcdd715dafc79c91e8979103eb2690b9de38a2522645a2bea62b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76661d0e2cda0b11e914527156ec7f8d7a6e97e9366f009b242172762a82d157",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2013-08-08T17:25:10Z",
    "title_canon_sha256": "43bee50a669abaf5e64cb188d02c8e6643d72e1d37fd0d056fdd882abfa9baf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1908",
    "kind": "arxiv",
    "version": 2
  }
}