Pith Number

pith:TDLV3EDF

pith:2018:TDLV3EDFYDGIRD7UBYKT2POTUC

not attested not anchored not stored refs pending

Coded Caching via Line Graphs of Bipartite Graphs

Prasad Krishnan

arxiv:1805.08955 v1 · 2018-05-23 · 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{TDLV3EDFYDGIRD7UBYKT2POTUC}

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	2026-05-18T00:15:08.950050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98d75d9065c0cc888ff40e153d3dd3a0bfd00e16d14c9c701c7e546faf4de4bd

Aliases

arxiv: 1805.08955 · arxiv_version: 1805.08955v1 · doi: 10.48550/arxiv.1805.08955 · pith_short_12: TDLV3EDFYDGI · pith_short_16: TDLV3EDFYDGIRD7U · pith_short_8: TDLV3EDF

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/TDLV3EDFYDGIRD7UBYKT2POTUC \
  | 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: 98d75d9065c0cc888ff40e153d3dd3a0bfd00e16d14c9c701c7e546faf4de4bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e13dfa2cfb0d6ceb0a0f062930528959a0367ca092258a617f903058c926fde",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-05-23T04:14:34Z",
    "title_canon_sha256": "034275f7a427dd028044f15d102b91fe8dbb2b2812e800ef37b9541d808b1486"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08955",
    "kind": "arxiv",
    "version": 1
  }
}