Pith Number

pith:OPEH5QKZ

pith:2012:OPEH5QKZSZFPU6OA5BSIM6EYZU

not attested not anchored not stored refs pending

Convexly orderable groups and valued fields

Joseph Flenner, Vincent Guingona

arxiv:1210.0404 v2 · 2012-10-01 · 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{OPEH5QKZSZFPU6OA5BSIM6EYZU}

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	2026-05-18T03:18:51.731619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73c87ec159964afa79c0e864867898cd34e9f6cd60026ff49149c66912bf46c5

Aliases

arxiv: 1210.0404 · arxiv_version: 1210.0404v2 · doi: 10.48550/arxiv.1210.0404 · pith_short_12: OPEH5QKZSZFP · pith_short_16: OPEH5QKZSZFPU6OA · pith_short_8: OPEH5QKZ

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/OPEH5QKZSZFPU6OA5BSIM6EYZU \
  | 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: 73c87ec159964afa79c0e864867898cd34e9f6cd60026ff49149c66912bf46c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4289ef36916a2f6960c9ab37218c2204d621ba82393e6c8af4038c826275c911",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-10-01T13:54:33Z",
    "title_canon_sha256": "dcd7e37f7af2d0fd485781a1ea2f4740d27a7dd36ee144ba2b131aa65ddbdc7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0404",
    "kind": "arxiv",
    "version": 2
  }
}