Pith Number

pith:5UC6LYKZ

pith:2015:5UC6LYKZH3D32LOAVEBZ4YSV2N

not attested not anchored not stored refs pending

A Proof of Correctness for the Tardis Cache Coherence Protocol

Muralidaran Vijayaraghavan, Srinivas Devadas, Xiangyao Yu

arxiv:1505.06459 v1 · 2015-05-24 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5UC6LYKZH3D32LOAVEBZ4YSV2N}

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	2026-05-18T02:03:45.684045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed05e5e1593ec7bd2dc0a9039e6255d36c06705f8ae523e3fe79818d4c9fea1d

Aliases

arxiv: 1505.06459 · arxiv_version: 1505.06459v1 · doi: 10.48550/arxiv.1505.06459 · pith_short_12: 5UC6LYKZH3D3 · pith_short_16: 5UC6LYKZH3D32LOA · pith_short_8: 5UC6LYKZ

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/5UC6LYKZH3D32LOAVEBZ4YSV2N \
  | 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: ed05e5e1593ec7bd2dc0a9039e6255d36c06705f8ae523e3fe79818d4c9fea1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "134ccfcf93cdbcd6f8a802341e0fac4774c1917272351c8aea33949c9c7b39a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2015-05-24T17:33:56Z",
    "title_canon_sha256": "ad5c98e910aa1e8bc6571af3c321351f600b211563c583ae9c8f0675f54c96ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06459",
    "kind": "arxiv",
    "version": 1
  }
}