Pith Number

pith:RPYARZZR

pith:2019:RPYARZZRE3T7MSL4KPDT26KK4T

not attested not anchored not stored refs pending

On Greedy Algorithms for Binary de Bruijn Sequences

Adamas Aqsa Fahreza, Martianus Frederic Ezerman, Zuling Chang

arxiv:1902.08744 v2 · 2019-02-23 · cs.IT · cs.DS · math.CO · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RPYARZZRE3T7MSL4KPDT26KK4T}

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	2026-07-05T02:43:25.792548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bf008e73126e7f6497c53c73d794ae4df08a0667f4ec20dde5e75944e14514f

Aliases

arxiv: 1902.08744 · arxiv_version: 1902.08744v2 · doi: 10.48550/arxiv.1902.08744 · pith_short_12: RPYARZZRE3T7 · pith_short_16: RPYARZZRE3T7MSL4 · pith_short_8: RPYARZZR

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/RPYARZZRE3T7MSL4KPDT26KK4T \
  | 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: 8bf008e73126e7f6497c53c73d794ae4df08a0667f4ec20dde5e75944e14514f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "557e0d1b89a338a8594b12960af0ef1446117044fb887eb964d68668d38bbebe",
    "cross_cats_sorted": [
      "cs.DS",
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-02-23T06:10:34Z",
    "title_canon_sha256": "622d21a72b3c67ebdce19c8849be15ff0c1beb108ade4d2961f296ebac135b35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08744",
    "kind": "arxiv",
    "version": 2
  }
}