Pith Number

pith:NJR2KKN5

pith:2009:NJR2KKN5HCDOX3B67VGQND33PU

not attested not anchored not stored refs pending

Model theoretic properties of metric valued fields

Ita\"i Ben Yaacov (ICJ)

arxiv:0907.4560 v2 · 2009-07-27 · 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{NJR2KKN5HCDOX3B67VGQND33PU}

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	2026-05-18T03:26:23.535871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a63a529bd3886ebec3efd4d068f7b7d0655588708476ddb1a20e4cb0bf1c052

Aliases

arxiv: 0907.4560 · arxiv_version: 0907.4560v2 · doi: 10.48550/arxiv.0907.4560 · pith_short_12: NJR2KKN5HCDO · pith_short_16: NJR2KKN5HCDOX3B6 · pith_short_8: NJR2KKN5

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/NJR2KKN5HCDOX3B67VGQND33PU \
  | 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: 6a63a529bd3886ebec3efd4d068f7b7d0655588708476ddb1a20e4cb0bf1c052

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0897743a8c3e85c275a34c594a824b91aec2b5c82bb7d4afa61e0b8e12b629b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2009-07-27T08:28:27Z",
    "title_canon_sha256": "2bd98090444dde79f72463cd688c93773a760e96f847789a452d672afdf134a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4560",
    "kind": "arxiv",
    "version": 2
  }
}