Pith Number

pith:E6NEFSE3

pith:2015:E6NEFSE3YS4QCWB4M5C42JFGSS

not attested not anchored not stored refs pending

Locally recoverable codes on algebraic curves

Alexander Barg, Itzhak Tamo, Serge Vladut

arxiv:1501.04904 v2 · 2015-01-20 · cs.IT · math.AG · math.IT · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6NEFSE3YS4QCWB4M5C42JFGSS}

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	2026-05-18T02:16:20.337914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

279a42c89bc4b901583c6745cd24a694a568c538b50a0e97ee9158be5c6a0765

Aliases

arxiv: 1501.04904 · arxiv_version: 1501.04904v2 · doi: 10.48550/arxiv.1501.04904 · pith_short_12: E6NEFSE3YS4Q · pith_short_16: E6NEFSE3YS4QCWB4 · pith_short_8: E6NEFSE3

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/E6NEFSE3YS4QCWB4M5C42JFGSS \
  | 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: 279a42c89bc4b901583c6745cd24a694a568c538b50a0e97ee9158be5c6a0765

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d27514035eff32fd40eba3547648791a19c00885a4367e6d3a150ea5f56ba79",
    "cross_cats_sorted": [
      "math.AG",
      "math.IT",
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-01-20T18:22:31Z",
    "title_canon_sha256": "d6a42484e397b0d2ab4db612cdb72170395446d41ca7560ee35481cc16c82ef1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04904",
    "kind": "arxiv",
    "version": 2
  }
}