Pith Number

pith:GFAUTRCY

pith:2018:GFAUTRCY556QM2QHDK2CBQLCAC

not attested not anchored not stored refs pending

Caching at the Edge with Fountain Codes

Estefania Recayte, Francisco L\'azaro, Gianluigi Liva

arxiv:1807.05619 v1 · 2018-07-15 · cs.IT · 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{GFAUTRCY556QM2QHDK2CBQLCAC}

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	2026-05-18T00:10:43.085492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

314149c458ef7d066a071ab420c16200b10ffa67dc9204e6f99af758a3a2ae90

Aliases

arxiv: 1807.05619 · arxiv_version: 1807.05619v1 · doi: 10.48550/arxiv.1807.05619 · pith_short_12: GFAUTRCY556Q · pith_short_16: GFAUTRCY556QM2QH · pith_short_8: GFAUTRCY

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/GFAUTRCY556QM2QHDK2CBQLCAC \
  | 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: 314149c458ef7d066a071ab420c16200b10ffa67dc9204e6f99af758a3a2ae90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32cc7cf192c0d32819098219b06009c1952e545e8ee452c69bf8ba758e7c90b6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-07-15T21:47:54Z",
    "title_canon_sha256": "382e08763dc52a7e3fc99fb1d9127103c2cd21a46b009bee98f9e5ee6f17eea3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05619",
    "kind": "arxiv",
    "version": 1
  }
}