Pith Number

pith:VKD4UPBV

pith:2026:VKD4UPBVUOL3GNJVLWBJFB66ZM

not attested not anchored not stored refs pending

Monotone Erasure Codes

Annalisa Cimatti, Christian Cachin, Giuliano Losa, Orestis Alpos, Vivien Bammert

arxiv:2605.22426 v1 · 2026-05-21 · cs.IT · cs.DC · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VKD4UPBVUOL3GNJVLWBJFB66ZM}

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	2026-05-22T01:04:42.621750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa87ca3c35a397b335355d829287decb119328a306e639ecda665bb0e56b1477

Aliases

arxiv: 2605.22426 · arxiv_version: 2605.22426v1 · doi: 10.48550/arxiv.2605.22426 · pith_short_12: VKD4UPBVUOL3 · pith_short_16: VKD4UPBVUOL3GNJV · pith_short_8: VKD4UPBV

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/VKD4UPBVUOL3GNJVLWBJFB66ZM \
  | 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: aa87ca3c35a397b335355d829287decb119328a306e639ecda665bb0e56b1477

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1ce02f833767f024dab3d3eb0ba71cd63acb7da4022a6fc040a704a4713a3c8",
    "cross_cats_sorted": [
      "cs.DC",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2026-05-21T12:48:05Z",
    "title_canon_sha256": "7fc1b63d49e8e47336898e2b1d0d7da7181dcd92f097d5fb7d96f65ba5df3397"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22426",
    "kind": "arxiv",
    "version": 1
  }
}