pith. sign in
Pith Number

pith:YIVJNPDE

pith:2019:YIVJNPDELBGOKUJZIMWH57T36I
not attested not anchored not stored refs pending

Compact Error-Resilient Self-Assembly of Recursively Defined Patterns

Brad Shutters, Robert J. Sammelson, Timothy P. Hartke Jr.

arxiv:1904.02763 v2 · 2019-04-04 · cs.DS

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YIVJNPDELBGOKUJZIMWH57T36I}

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 2026-05-17T23:49:08.535453Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c22a96bc64584ce55139432c7efe7bf236b335ed56fb5711cb07321c149d8f8a

Aliases

arxiv: 1904.02763 · arxiv_version: 1904.02763v2 · doi: 10.48550/arxiv.1904.02763 · pith_short_12: YIVJNPDELBGO · pith_short_16: YIVJNPDELBGOKUJZ · pith_short_8: YIVJNPDE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YIVJNPDELBGOKUJZIMWH57T36I \
  | 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: c22a96bc64584ce55139432c7efe7bf236b335ed56fb5711cb07321c149d8f8a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6eee260312f929eea4d61755959846a1edc934ed532d8dd8c310167eb818d06c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-04-04T19:35:17Z",
    "title_canon_sha256": "9e9f2126e6c6a0137eca160b5eae323ce4f785e17487921e950f780e793b41a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02763",
    "kind": "arxiv",
    "version": 2
  }
}