Pith Number

pith:WYC7SNFS

pith:2019:WYC7SNFSDSPT5OPPR2LMNKFUWA

not attested not anchored not stored refs pending

MANA for MPI: MPI-Agnostic Network-Agnostic Transparent Checkpointing

Gene Cooperman, Gregory Price, Rohan Garg

arxiv:1904.12595 v1 · 2019-04-20 · cs.DC · cs.OS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WYC7SNFSDSPT5OPPR2LMNKFUWA}

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	2026-05-17T23:47:34.704719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b605f934b21c9f3eb9ef8e96c6a8b4b01123236d04dc1c59f471ed3f1c7255c4

Aliases

arxiv: 1904.12595 · arxiv_version: 1904.12595v1 · doi: 10.48550/arxiv.1904.12595 · pith_short_12: WYC7SNFSDSPT · pith_short_16: WYC7SNFSDSPT5OPP · pith_short_8: WYC7SNFS

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/WYC7SNFSDSPT5OPPR2LMNKFUWA \
  | 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: b605f934b21c9f3eb9ef8e96c6a8b4b01123236d04dc1c59f471ed3f1c7255c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feeed6fa3c34ed1458453522f4c834ad349cce77b726489fb2918ac1b03f250a",
    "cross_cats_sorted": [
      "cs.OS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-04-20T16:11:54Z",
    "title_canon_sha256": "30c14ab10da0f0f25a131d98b3c73fc44dcd3bc8a4a07214dd47f8e171b778b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12595",
    "kind": "arxiv",
    "version": 1
  }
}