Pith Number

pith:RVTTYN6L

pith:2007:RVTTYN6L347K5632OFYTKGS5TC

not attested not anchored not stored refs pending

The Wickstead Problem

A. E. Gutman, A. G. Kusraev, S. S. Kutateladze

arxiv:0712.2378 v4 · 2007-12-14 · 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{RVTTYN6L347K5632OFYTKGS5TC}

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	2026-05-18T04:21:11.180465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d673c37cbdf3eaefb7a7171351a5d989cbc4937919d3a23d7ac32e965632d4c

Aliases

arxiv: 0712.2378 · arxiv_version: 0712.2378v4 · doi: 10.48550/arxiv.0712.2378 · pith_short_12: RVTTYN6L347K · pith_short_16: RVTTYN6L347K5632 · pith_short_8: RVTTYN6L

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/RVTTYN6L347K5632OFYTKGS5TC \
  | 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: 8d673c37cbdf3eaefb7a7171351a5d989cbc4937919d3a23d7ac32e965632d4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91acf404591bd10a8b8d51cb05a19ad96744bd7a88ae446f0383c55150ffc098",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2007-12-14T15:49:55Z",
    "title_canon_sha256": "018dde6ca96b6ba6567bc86f084c2ef11e75f7700e9a559438bb226b5ee752c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.2378",
    "kind": "arxiv",
    "version": 4
  }
}