Pith Number

pith:IPAOYDFL

pith:2019:IPAOYDFLA6AOH4RDUUNIXNNF53

not attested not anchored not stored refs pending

Four-dimensional polarization-ring-switching for dispersion-managed optical fibre systems

Alex Alvarado, Bin Chen, Chigo Okonkwo, Hartmut Hafermann

arxiv:1907.11646 v1 · 2019-07-26 · 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{IPAOYDFLA6AOH4RDUUNIXNNF53}

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	2026-05-17T23:39:28.386724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43c0ec0cab0780e3f223a51a8bb5a5eed78ff398a1ee32763f696b4f81c7de5b

Aliases

arxiv: 1907.11646 · arxiv_version: 1907.11646v1 · doi: 10.48550/arxiv.1907.11646 · pith_short_12: IPAOYDFLA6AO · pith_short_16: IPAOYDFLA6AOH4RD · pith_short_8: IPAOYDFL

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/IPAOYDFLA6AOH4RDUUNIXNNF53 \
  | 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: 43c0ec0cab0780e3f223a51a8bb5a5eed78ff398a1ee32763f696b4f81c7de5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5840fabc7506d65a990fa8e8e895c23d7e1500dce30dfa7962e4b43c66448ef0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-07-26T16:03:42Z",
    "title_canon_sha256": "65a348c676b45d4fb53eded7d88ba2012fa975c9f4fefa2c583e45380bf5e8e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11646",
    "kind": "arxiv",
    "version": 1
  }
}