Pith Number

pith:GBXHXJVT

pith:2013:GBXHXJVTUK2COSBMVXR6JEMRXD

not attested not anchored not stored refs pending

Monitoring Student Activity in Collaborative Software Development

Andreas Podelski, Daniel Dietsch, Jaechang Nam, Martin Sch\"af, Pantelis M. Papadopoulos

arxiv:1305.0787 v2 · 2013-05-03 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GBXHXJVTUK2COSBMVXR6JEMRXD}

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	2026-05-18T03:21:23.366237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

306e7ba6b3a2b427482cade3e49191b8f966e50a265a59c0246155b1738bbe03

Aliases

arxiv: 1305.0787 · arxiv_version: 1305.0787v2 · doi: 10.48550/arxiv.1305.0787 · pith_short_12: GBXHXJVTUK2C · pith_short_16: GBXHXJVTUK2COSBM · pith_short_8: GBXHXJVT

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/GBXHXJVTUK2COSBMVXR6JEMRXD \
  | 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: 306e7ba6b3a2b427482cade3e49191b8f966e50a265a59c0246155b1738bbe03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7493dd6158fb73130464ac9033297e6dce611b126b8085b94ff4017bc70ff676",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2013-05-03T17:32:48Z",
    "title_canon_sha256": "45bb66641018f27d8bb812d672c3ae138c999308fb237e2800ea92f90b876968"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0787",
    "kind": "arxiv",
    "version": 2
  }
}