Pith Number

pith:STKGPB2P

pith:2013:STKGPB2PZPHYDJVBJH2RUZR3JP

not attested not anchored not stored refs pending

3D Printing for Math Professors and Their Students

Edward Aboufadel, Melissa Sherman-Bennett, Sylvanna V. Krawczyk

arxiv:1308.3420 v2 · 2013-08-13 · math.HO · cs.OH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{STKGPB2PZPHYDJVBJH2RUZR3JP}

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	2026-05-18T03:11:12.622522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94d467874fcbcf81a6a149f51a663b4bc85b9dce54ce7e6cd61936315baa4ebc

Aliases

arxiv: 1308.3420 · arxiv_version: 1308.3420v2 · doi: 10.48550/arxiv.1308.3420 · pith_short_12: STKGPB2PZPHY · pith_short_16: STKGPB2PZPHYDJVB · pith_short_8: STKGPB2P

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/STKGPB2PZPHYDJVBJH2RUZR3JP \
  | 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: 94d467874fcbcf81a6a149f51a663b4bc85b9dce54ce7e6cd61936315baa4ebc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "927371d74d006579a5c394d3fe7ae9889e7b4d9beea0e8783b43a7fefa31187d",
    "cross_cats_sorted": [
      "cs.OH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2013-08-13T01:32:22Z",
    "title_canon_sha256": "5333b9ff96c10ead24f0ac333ff364edd9dc5462f0d29f7bfad35add350fe299"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3420",
    "kind": "arxiv",
    "version": 2
  }
}