Pith Number

pith:GJIER2FG

pith:2017:GJIER2FGCKCNY4W5FSOLV6XCEF

not attested not anchored not stored refs pending

Weak square and stationary reflection

Assaf Rinot, Gunter Fuchs

arxiv:1711.06213 v1 · 2017-11-16 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GJIER2FGCKCNY4W5FSOLV6XCEF}

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	2026-05-18T00:30:23.084194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

325048e8a61284dc72dd2c9cbafae2216bd2a1936340cf1a8eacd35ae980732a

Aliases

arxiv: 1711.06213 · arxiv_version: 1711.06213v1 · doi: 10.48550/arxiv.1711.06213 · pith_short_12: GJIER2FGCKCN · pith_short_16: GJIER2FGCKCNY4W5 · pith_short_8: GJIER2FG

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/GJIER2FGCKCNY4W5FSOLV6XCEF \
  | 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: 325048e8a61284dc72dd2c9cbafae2216bd2a1936340cf1a8eacd35ae980732a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "969060f75596ab53f2077cc77f7f12cb332d9a9dc67ed91d5c8a4e482a852f02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-11-16T17:34:13Z",
    "title_canon_sha256": "839b1b453c7cc93e043a81bce1c631a3588cbbb4aa87b610f3a1cfe465a3e4f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.06213",
    "kind": "arxiv",
    "version": 1
  }
}