Pith Number

pith:7UMR72JF

pith:2022:7UMR72JFVZXMMKP6YHCKHCZ2BY

not attested not anchored not stored refs pending

Secure communication using low dimensional topological elements

Alessio D'Errico, Avishy Carmi, Ebrahim Karimi, Eliahu Cohen, Hugo Larocque, Manuel F. Ferrer-Garcia

arxiv:2212.04350 v1 · 2022-12-07 · cs.CR · math-ph · math.MP · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7UMR72JFVZXMMKP6YHCKHCZ2BY}

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.

Cited by

1 paper in Pith

Full-Field Mode Sorter for Optical Knots

Receipt and verification

First computed	2026-07-05T05:23:39.971619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd191fe925ae6ec629fec1c4a38b3a0e1e08ac7875e937ce94d3951b6606d117

Aliases

arxiv: 2212.04350 · arxiv_version: 2212.04350v1 · doi: 10.48550/arxiv.2212.04350 · pith_short_12: 7UMR72JFVZXM · pith_short_16: 7UMR72JFVZXMMKP6 · pith_short_8: 7UMR72JF

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/7UMR72JFVZXMMKP6YHCKHCZ2BY \
  | 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: fd191fe925ae6ec629fec1c4a38b3a0e1e08ac7875e937ce94d3951b6606d117

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f5ed0df48c9919492acceb4313dc3d247f96688a4935adf39cd2dd24606c993",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2022-12-07T18:23:13Z",
    "title_canon_sha256": "f46aad25daff4ba7dbeb485aa1c044fff8dcb681951162236f8db027ce371e21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.04350",
    "kind": "arxiv",
    "version": 1
  }
}