Pith Number

pith:V6RYBISQ

pith:2025:V6RYBISQC5BOI2X2TGVOPG3GCM

not attested not anchored not stored refs pending

Is spreadsheet syntax better than numeric indexing for cell selection?

Dirk Riehle, Georg-Daniel Schwarz, Philip Heltweg

arxiv:2505.23296 v1 · 2025-05-29 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6RYBISQC5BOI2X2TGVOPG3GCM}

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	2026-07-05T11:11:59.058710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afa380a2501742e46afa99aae79b66130a918471bd50d7377347a07f59f832f4

Aliases

arxiv: 2505.23296 · arxiv_version: 2505.23296v1 · doi: 10.48550/arxiv.2505.23296 · pith_short_12: V6RYBISQC5BO · pith_short_16: V6RYBISQC5BOI2X2 · pith_short_8: V6RYBISQ

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/V6RYBISQC5BOI2X2TGVOPG3GCM \
  | 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: afa380a2501742e46afa99aae79b66130a918471bd50d7377347a07f59f832f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce5fcd929041c3bfbcfb200fe01e11193ae80ed448b9fc8f2ceeec17ca3cae43",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2025-05-29T09:49:14Z",
    "title_canon_sha256": "b6e133fe7ce8fe1f097831fd2dd911bc4490fc0376566b252aef38ad683d5a5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23296",
    "kind": "arxiv",
    "version": 1
  }
}