Pith Number

pith:VH5SD7V5

pith:2011:VH5SD7V5SLPRKKVRMQT27N37XO

not attested not anchored not stored refs pending

FemtoCaching: Wireless Video Content Delivery through Distributed Caching Helpers

Alexandros G. Dimakis, Andreas F. Molisch, Giuseppe Caire, Karthikeyan Shanmugam, Negin Golrezaei

arxiv:1109.4179 v4 · 2011-09-19 · cs.NI · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VH5SD7V5SLPRKKVRMQT27N37XO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:21:36.413670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9fb21febd92df152ab16427afb77fbb92bda18ed3c689bf6ed7e0e6879db508

Aliases

arxiv: 1109.4179 · arxiv_version: 1109.4179v4 · doi: 10.48550/arxiv.1109.4179 · pith_short_12: VH5SD7V5SLPR · pith_short_16: VH5SD7V5SLPRKKVR · pith_short_8: VH5SD7V5

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/VH5SD7V5SLPRKKVRMQT27N37XO \
  | 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: a9fb21febd92df152ab16427afb77fbb92bda18ed3c689bf6ed7e0e6879db508

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ea3237744f47976c575c6c4efb3c98489d86408dd93e9db1004d75069d3fbc4",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2011-09-19T22:01:40Z",
    "title_canon_sha256": "392b6e741b245a256d0b5587bcf81ccb94117257e1512a41ca7394e46db73ce4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4179",
    "kind": "arxiv",
    "version": 4
  }
}