Pith Number

pith:UVHWOQTM

pith:2019:UVHWOQTMMTLUY72ULOR5KJYD3F

not attested not anchored not stored refs pending

Keeping CALM: When Distributed Consistency is Easy

Joseph M. Hellerstein, Peter Alvaro

arxiv:1901.01930 v2 · 2019-01-07 · cs.DC · cs.DB · cs.PL · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UVHWOQTMMTLUY72ULOR5KJYD3F}

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	2026-05-17T23:55:30.711977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a54f67426c64d74c7f545ba3d52703d96a984c496ee56709bb50fd3476a0785d

Aliases

arxiv: 1901.01930 · arxiv_version: 1901.01930v2 · doi: 10.48550/arxiv.1901.01930 · pith_short_12: UVHWOQTMMTLU · pith_short_16: UVHWOQTMMTLUY72U · pith_short_8: UVHWOQTM

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/UVHWOQTMMTLUY72ULOR5KJYD3F \
  | 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: a54f67426c64d74c7f545ba3d52703d96a984c496ee56709bb50fd3476a0785d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc16a3e555d13bacd51635b1e5f05856987bb7dbcc288187ad2bab9f48c2b2f5",
    "cross_cats_sorted": [
      "cs.DB",
      "cs.PL",
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-01-07T17:20:25Z",
    "title_canon_sha256": "1196f1aef2caf5cd8ee5771774e29ede663157cd990eaf80cb089cbdb7bb8d6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01930",
    "kind": "arxiv",
    "version": 2
  }
}