Pith Number

pith:QLM3GS6Q

pith:2019:QLM3GS6QVQGTGBJ6FVJKWUV6M5

not attested not anchored not stored refs pending

Coprocessors: failures and successes

Daniel Etiemble

arxiv:1907.06948 v1 · 2019-07-16 · cs.AR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QLM3GS6QVQGTGBJ6FVJKWUV6M5}

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	2026-05-17T23:40:28.566596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82d9b34bd0ac0d33053e2d52ab52be6744be664300df124e6e418915551ebd74

Aliases

arxiv: 1907.06948 · arxiv_version: 1907.06948v1 · doi: 10.48550/arxiv.1907.06948 · pith_short_12: QLM3GS6QVQGT · pith_short_16: QLM3GS6QVQGTGBJ6 · pith_short_8: QLM3GS6Q

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/QLM3GS6QVQGTGBJ6FVJKWUV6M5 \
  | 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: 82d9b34bd0ac0d33053e2d52ab52be6744be664300df124e6e418915551ebd74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d45dee2495adf78b3164ce6c83813444faa9455749df4014036a75016e0f25c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AR",
    "submitted_at": "2019-07-16T11:48:15Z",
    "title_canon_sha256": "cc5d43383e997ede9985124ddea1bd236749dca96458db5eb5f530c80a7fc65a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06948",
    "kind": "arxiv",
    "version": 1
  }
}