Pith Number

pith:U4QYOF4N

pith:2019:U4QYOF4N6K4KGEDYPTFJ4FYM4L

not attested not anchored not stored refs pending

Visible Light Optical Data Centre Links

Jaafar M. H. Elmirghani, Mohamed O. I. Musa, Mohammed T. Alresheedi, Osama Zwaid Alsulami

arxiv:1903.10925 v1 · 2019-03-26 · 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{U4QYOF4N6K4KGEDYPTFJ4FYM4L}

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	2026-05-17T23:49:57.820809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a72187178df2b8a310787cca9e170ce2ed8a85a8886dfde129b6e861c39982f0

Aliases

arxiv: 1903.10925 · arxiv_version: 1903.10925v1 · doi: 10.48550/arxiv.1903.10925 · pith_short_12: U4QYOF4N6K4K · pith_short_16: U4QYOF4N6K4KGEDY · pith_short_8: U4QYOF4N

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/U4QYOF4N6K4KGEDYPTFJ4FYM4L \
  | 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: a72187178df2b8a310787cca9e170ce2ed8a85a8886dfde129b6e861c39982f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc80b8f728c447df71482543b208a9a2ce38d16bbe3b7f036ba14519f1123fe6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-03-26T14:36:29Z",
    "title_canon_sha256": "5c42c7aeade9c4d333af4b86c3436046b34b3af73880429bd1e09ce82718df9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10925",
    "kind": "arxiv",
    "version": 1
  }
}