Pith Number

pith:ICNXRPYL

pith:2020:ICNXRPYLPXBSALVC5MK3633DDE

not attested not anchored not stored refs pending

An Introduction to Disk Margins

Andrew Packard, Pascal Gahinet, Peter Seiler

arxiv:2003.04771 v2 · 2020-03-10 · eess.SY · cs.SY · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ICNXRPYLPXBSALVC5MK3633DDE}

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	2026-07-05T11:47:08.544133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

409b78bf0b7dc3202ea2eb15bf6f6319245dcb53529c23383078f9adb4a3ee47

Aliases

arxiv: 2003.04771 · arxiv_version: 2003.04771v2 · doi: 10.48550/arxiv.2003.04771 · pith_short_12: ICNXRPYLPXBS · pith_short_16: ICNXRPYLPXBSALVC · pith_short_8: ICNXRPYL

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/ICNXRPYLPXBSALVC5MK3633DDE \
  | 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: 409b78bf0b7dc3202ea2eb15bf6f6319245dcb53529c23383078f9adb4a3ee47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "146aa93030755215732402ab1406f049b689cf3ae320d311276648d034bf062d",
    "cross_cats_sorted": [
      "cs.SY",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2020-03-10T14:26:17Z",
    "title_canon_sha256": "b83a0d7b48d1dbace4a3f19501d56b7f25b0f91a17f4fa475795537836ca0eae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.04771",
    "kind": "arxiv",
    "version": 2
  }
}