Pith Number

pith:DPCITD77

pith:2013:DPCITD777TDTK5YZS7TLBPA37G

not attested not anchored not stored refs pending

Space Division Multiplexing in Optical Fibres

D. J. Richardson, J. M. Fini, L E. Nelson

arxiv:1303.3908 v1 · 2013-03-15 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPCITD777TDTK5YZS7TLBPA37G}

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	2026-05-18T01:51:06.599614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bc4898ffffcc735771997e6b0bc1bf98dfd243d420899e5ec1192c7384a7728

Aliases

arxiv: 1303.3908 · arxiv_version: 1303.3908v1 · doi: 10.48550/arxiv.1303.3908 · pith_short_12: DPCITD777TDT · pith_short_16: DPCITD777TDTK5YZ · pith_short_8: DPCITD77

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/DPCITD777TDTK5YZS7TLBPA37G \
  | 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: 1bc4898ffffcc735771997e6b0bc1bf98dfd243d420899e5ec1192c7384a7728

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c87f569b1b59b1c3f05b0e2b2ec90edd72a629db16747d05b9f8f12356c4cbc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-03-15T21:19:10Z",
    "title_canon_sha256": "b5811cc267c63f196609405e52b788c305b5aff69a165c6408f3df5a8fea0e51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3908",
    "kind": "arxiv",
    "version": 1
  }
}