Pith Number

pith:CTFJXOB5

pith:2021:CTFJXOB5RDKOIKXK4JXB6P4C6B

not attested not anchored not stored refs pending

A pragmatic approach for designing transparent WDM optical networks with multi-objectives

Dao Thanh Hai, Le Anh Ngoc

arxiv:2105.08588 v1 · 2021-05-18 · cs.NI · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CTFJXOB5RDKOIKXK4JXB6P4C6B}

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	2026-07-05T02:41:24.060270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14ca9bb83d88d4e42aeae26e1f3f82f05e23a7dbefaee6c894d2ab3a435fe96f

Aliases

arxiv: 2105.08588 · arxiv_version: 2105.08588v1 · doi: 10.48550/arxiv.2105.08588 · pith_short_12: CTFJXOB5RDKO · pith_short_16: CTFJXOB5RDKOIKXK · pith_short_8: CTFJXOB5

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/CTFJXOB5RDKOIKXK4JXB6P4C6B \
  | 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: 14ca9bb83d88d4e42aeae26e1f3f82f05e23a7dbefaee6c894d2ab3a435fe96f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18647d09c81dc7780a91baee27c1f892bba016dfbd72d61767a778079a95de10",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2021-05-18T15:19:43Z",
    "title_canon_sha256": "ea185134db1537102d485ef604ae469a5cfb5f12652ee58908ab7fe27dd598a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.08588",
    "kind": "arxiv",
    "version": 1
  }
}