Pith Number

pith:QY3Q7EER

pith:2008:QY3Q7EER3B52Z4LXJNJ4ULWEEX

not attested not anchored not stored refs pending

Interpolation in local theory extensions

Viorica Sofronie-Stokkermans

arxiv:0806.4553 v2 · 2008-06-27 · cs.LO · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QY3Q7EER3B52Z4LXJNJ4ULWEEX}

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	2026-05-18T01:37:42.398189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86370f9091d87bacf1774b53ca2ec425c362f07bc718c87e8939b7bdcb0ec0a9

Aliases

arxiv: 0806.4553 · arxiv_version: 0806.4553v2 · doi: 10.48550/arxiv.0806.4553 · pith_short_12: QY3Q7EER3B52 · pith_short_16: QY3Q7EER3B52Z4LX · pith_short_8: QY3Q7EER

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/QY3Q7EER3B52Z4LXJNJ4ULWEEX \
  | 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: 86370f9091d87bacf1774b53ca2ec425c362f07bc718c87e8939b7bdcb0ec0a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af10d61138548c3c3d1c77dda1dd5d42d02149d109c67939674d1556909c1383",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2008-06-27T15:51:02Z",
    "title_canon_sha256": "837b593b71afc2dbac2287ea2597f72220c059245306805b3b726d50228072d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.4553",
    "kind": "arxiv",
    "version": 2
  }
}