Pith Number

pith:GST6DDBZ

pith:1992:GST6DDBZLBBTGO67VP722LLKFC

not attested not anchored not stored refs pending

The Distorion Problem

Edward Odell, Thomas Schlumprecht

arxiv:math/9204213 v1 · 1992-04-21 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GST6DDBZLBBTGO67VP722LLKFC}

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	2026-05-18T01:05:52.920020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34a7e18c395843333bdfabffad2d6a28b28dbfab1111dc64f25cf801db4404e5

Aliases

arxiv: math/9204213 · arxiv_version: math/9204213v1 · doi: 10.48550/arxiv.math/9204213 · pith_short_12: GST6DDBZLBBT · pith_short_16: GST6DDBZLBBTGO67 · pith_short_8: GST6DDBZ

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/GST6DDBZLBBTGO67VP722LLKFC \
  | 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: 34a7e18c395843333bdfabffad2d6a28b28dbfab1111dc64f25cf801db4404e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79e4501161fc22afadfac7b358a920a5b611b22c37e714e77a9ab2a68d9ab901",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.FA",
    "submitted_at": "1992-04-21T19:29:09Z",
    "title_canon_sha256": "a1c5a443cc7fdda43186901f89a2b83db6e405863dbd4aba222efc67fec71443"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9204213",
    "kind": "arxiv",
    "version": 1
  }
}