Pith Number

pith:QRTSNCE7

pith:2019:QRTSNCE7IR3VGZ25DP6EQONNRT

not attested not anchored not stored refs pending

Testability First!

Markus Eggiman, Mohammad Ghafari, Oscar Nierstrasz

arxiv:1908.01476 v1 · 2019-08-05 · 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{QRTSNCE7IR3VGZ25DP6EQONNRT}

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	2026-07-04T23:51:30.826922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

846726889f447753675d1bfc4839ad8ccda13c6a9661ed46141e98d196fdf1d1

Aliases

arxiv: 1908.01476 · arxiv_version: 1908.01476v1 · doi: 10.48550/arxiv.1908.01476 · pith_short_12: QRTSNCE7IR3V · pith_short_16: QRTSNCE7IR3VGZ25 · pith_short_8: QRTSNCE7

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/QRTSNCE7IR3VGZ25DP6EQONNRT \
  | 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: 846726889f447753675d1bfc4839ad8ccda13c6a9661ed46141e98d196fdf1d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3820df647f60d009dac9e6ec3ea4cab1903386379e79c489a932f0ab2e67578f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-08-05T05:41:26Z",
    "title_canon_sha256": "6a55889b113506ae1ca2c333b172d355aa022b3693efc2b5710646895825db38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01476",
    "kind": "arxiv",
    "version": 1
  }
}